Ballet dancers can perform pirouettes without feeling dizzy. Researchers found that years of training enable dancers to suppress signals from the balance organs in the inner ear. This discovery could help improve treatment for patients with chronic dizziness. The study also revealed differences in brain structure between dancers and non-dancers. Discover the secrets of dancers' brains and how it could lead to better treatment for chronic dizziness.

Have you ever experienced a sudden sharp pain in your forehead while eating or drinking something cold? It's called a brain freeze, and it happens when blood vessels in the roof of your mouth constrict and then expand rapidly. Scientists have studied brain freeze and discovered that pressing your tongue to the roof of your mouth can help warm blood vessels more quickly and shorten the duration of the headache. Eating or drinking cold things slowly can also prevent brain freeze. Learning about the science behind brain freeze not only helps you understand why it happens but also teaches you about the human body's response to sudden changes in temperature. By exploring scientific concepts like this, you can develop critical thinking skills and a deeper understanding of the world around you.

Are you someone who is passionate about health and fitness? Do you enjoy learning about the human body and how it works? If so, then a career in Kinesiology might just be the perfect fit for you! Kinesiology is the study of human movement, function, and performance. It's a field that combines anatomy, physiology, biomechanics, and psychology to help individuals improve their physical well-being. Kinesiologists work with people of all ages and abilities, from athletes to seniors, to help them achieve their health and fitness goals. As a Kinesiologist, you'll have the opportunity to work in a variety of settings, including hospitals, rehabilitation centers, sports organizations, and private clinics. You might specialize in areas such as sports medicine, exercise physiology, or biomechanics. You could work with athletes to improve their performance, help patients recover from injuries or surgeries, or design fitness programs for individuals looking to improve their overall health. To become a Kinesiologist, you'll typically need to have a bachelor's degree in Kinesiology or a related field, such as Exercise Science or Sports Medicine. Some popular undergraduate programs include the University of British Columbia's Bachelor of Kinesiology program or the University of Toronto's Bachelor of Physical Education and Health program. In addition to a strong academic background, there are certain personal attributes that can be helpful in a career in Kinesiology. These might include strong communication skills, a passion for helping others, and a willingness to continue learning and growing in your field. The job prospects for Kinesiologists are strong, with a growing demand for professionals in this field. You could work for a variety of employers, including hospitals, sports teams, or private clinics. Some notable employers include the Canadian Sport Institute, the National Football League, and the Canadian Armed Forces. So if you're looking for a rewarding career that combines your love of health and fitness with your desire to help others, then consider a career in Kinesiology. With a strong educational background and the right personal attributes, you could be on your way to a fulfilling and exciting career in this growing field.

If you're someone who's passionate about sports and helping people, then Sports Medicine could be the perfect career for you. Sports Medicine is a field that focuses on the prevention, diagnosis, and treatment of injuries related to sports and exercise. As a Sports Medicine professional, you'll work with athletes of all levels, from high school teams to professional athletes. You'll play a crucial role in ensuring that athletes are in top physical condition and help them recover from injuries so that they can get back to doing what they love. One of the most appealing aspects of a career in Sports Medicine is the opportunity to work with some of the world's most talented athletes. You might work with Olympic athletes, professional football players, or even professional dancers. You'll get to see firsthand the impact that your work has on their performance and overall wellbeing. Your typical duties might include conducting physical exams, diagnosing and treating injuries, and prescribing exercise programs to help athletes recover from injuries. You might also work with athletes to prevent injuries from occurring in the first place, by designing training programs and providing advice on injury prevention. There are many areas of specialisation within Sports Medicine, such as orthopaedics, physical therapy, and sports psychology. You might also work in related fields such as athletic training or coaching. To become a Sports Medicine professional, you'll typically need to complete a Bachelor's degree in a relevant field such as Exercise Science, Kinesiology, or Athletic Training. Many professionals also go on to complete a Master's degree or Doctorate in Sports Medicine or a related field. Helpful personal attributes for a career in Sports Medicine include a passion for sports and exercise, strong communication skills, and the ability to work well under pressure. You'll need to be able to work as part of a team and be comfortable making quick decisions in high-pressure situations. Job prospects in Sports Medicine are excellent, with a growing demand for professionals in this field. You might work in a variety of settings, such as hospitals, sports teams, or private practices. Some notable employers in this field include the United States Olympic Committee, the National Football League, and the English Institute of Sport. In conclusion, a career in Sports Medicine is an exciting and rewarding choice for anyone who loves sports and helping people. With a range of specialisations and excellent job prospects, this field offers a wealth of opportunities for those who are passionate about making a difference in the lives of athletes around the world.

Stress is an inevitable part of life that can cause physical and mental health issues. However, taking on reasonable challenges can help condition the brain to handle stressful situations, making individuals more resilient. When faced with stress, the body's response is to fight or flee, releasing hormones that improve focus, reflexes, and senses. The brain's fear sensor, the amygdala, alerts the hypothalamus that something is wrong, which then activates the adrenal glands to release epinephrine and cortisol. While modern stressors are usually not life-threatening, taking on reasonable challenges, such as public speaking or standing up to a friend, can help the brain gain power and shut down the amygdala, making individuals more resilient to stress. By learning how to handle stress, students can benefit both intellectually and practically, improving their mental and physical health and their ability to handle challenging situations.

Could the use of steroids in the military be ethical? Despite being banned, steroids are commonly used to enhance physical performance by soldiers. While there are concerns about the health and behavioral impacts, researchers argue that the use of steroids may be necessary to create "super soldiers" in a highly competitive and demanding environment. But is it worth the risks? Explore the controversial topic and weigh the ethical implications of using performance-enhancing drugs in the armed forces.

Stress is a part of life, but excessive stress can cause a range of physical and mental health problems. Fortunately, there is a simple, natural, and enjoyable way to reduce stress: listening to music. Music has been used for centuries as a therapeutic tool to promote relaxation and improve mental and physical health. In recent years, research has increasingly focused on the effectiveness of music in reducing stress, and the evidence is clear: music is a powerful stress-reduction tool. Studies have shown that listening to calming music can lower cortisol levels, the hormone associated with stress. In fact, one study found that listening to music before a stressful event can reduce cortisol levels by up to 25%. This makes music a great tool for managing stress in everyday life, as well as for those facing high-pressure situations like exams or public speaking. Music can also help promote relaxation by lowering heart rate and blood pressure. Slow, calming music can stimulate the parasympathetic nervous system, which is responsible for the "rest and digest" response in the body. This can help reduce anxiety and promote relaxation. One of the key concepts in using music for stress reduction is the concept of "entrainment." This is the phenomenon where the body's rhythms, such as heart rate and breathing, synchronize with the rhythms of the music. This synchronization can help the body enter a state of relaxation and reduce stress. Leading academics in the field of music and stress reduction include Dr. Daniel Levitin, a neuroscientist and author of "This Is Your Brain On Music," and Dr. Aniruddh Patel, a psychologist and author of "Music, Language, and the Brain." Both have extensively researched the effects of music on the brain and body, and their work has helped to establish music as a legitimate tool for promoting health and wellness. In conclusion, music is a powerful tool for reducing stress and promoting health and wellness. By understanding the evidence-based approach to using music for stress reduction, students can incorporate this simple and enjoyable technique into their daily lives to help manage stress and improve their overall well-being.

Disgust is a universal emotion that serves a vital purpose in human survival. This complex emotion can protect us from harmful substances and dangerous situations. But where did this emotion come from, and how did it evolve? One theory suggests that disgust evolved as a protective mechanism against infectious diseases. For example, our ancestors who avoided eating rotten or contaminated food were less likely to contract deadly illnesses. As a result, the disgust response became ingrained in our brains and bodies as a way to protect ourselves. But what happens when disgust becomes a phobia? A phobia is an irrational and persistent fear of a specific object, situation, or activity. For example, arachnophobia is a fear of spiders, and mysophobia is a fear of germs. While these fears may seem irrational, they can also be traced back to our evolutionary past. One leading academic in the field of disgust is Valerie Curtis, a Professor of Hygiene at the London School of Hygiene & Tropical Medicine. Curtis has dedicated her career to understanding the psychological and cultural aspects of hygiene and cleanliness. In her book, "Don't Look, Don't Touch: The Science Behind Revulsion," Curtis argues that disgust is not just a physical response, but also a cultural and social construct. Another academic, Paul Rozin, a Professor of Psychology at the University of Pennsylvania, has studied the cross-cultural nature of disgust. Rozin found that certain types of disgust, such as the disgust for animal products, are not universal but are instead shaped by cultural and religious beliefs. In conclusion, disgust may be an uncomfortable emotion, but it is also a crucial one for our survival. By understanding the evolutionary roots of disgust and its role in our lives, we can better appreciate this complex emotion and use it to our advantage.

Are you curious about the tiny viruses that inhabit your body? MIT Technology Review's biotech newsletter, The Checkup, explores the world of bacteriophages, or "phages" for short. These microscopic viruses have the potential to treat bacterial infections, but they've been largely abandoned in favor of antibiotics. With antimicrobial resistance on the rise, interest in phage therapy is making a comeback. Learn about the diversity and specificity of phages, and how they could be engineered to target specific bacteria. Discover the potential of phage therapy and the challenges that need to be overcome in this fascinating article.

Performance enhancement is a topic that captures the attention of many athletes, fitness enthusiasts, and even those seeking to improve their cognitive abilities. It involves the use of substances like steroids, supplements, and other performance-enhancing drugs (PEDs) to improve athletic or cognitive performance. However, the use of these substances is often a source of controversy and has raised ethical, medical, and legal concerns. According to a study conducted by the National Institute on Drug Abuse, more than 3 million people in the US have used anabolic steroids, which are a type of PED, at some point in their lives. The use of these substances is not only widespread in professional sports but also in high school and college sports. This has led to the implementation of anti-doping policies and testing in sports to prevent unfair advantages. In addition to steroids, there are various other supplements and substances that athletes and fitness enthusiasts use to enhance their performance. These include caffeine, creatine, beta-alanine, and nitric oxide supplements. While some of these supplements are legal and safe, others can be harmful and cause adverse health effects. One of the most significant risks associated with performance enhancement is the potential for long-term health consequences. For example, steroid use can lead to liver damage, high blood pressure, and an increased risk of heart attacks and strokes. Additionally, the use of PEDs can cause psychological side effects, such as mood swings and aggression. The ethical and legal implications of performance enhancement are also of concern. The use of PEDs is considered cheating in sports and can lead to disqualification, suspension, and other penalties. In some cases, the use of PEDs can also result in legal consequences, such as fines and imprisonment. To gain a better understanding of the topic, it's essential to explore the academic terms and concepts associated with performance enhancement. This includes understanding the differences between anabolic steroids and other types of PEDs, such as stimulants and hormone treatments. It also involves exploring the concept of "doping" and its impact on sports, as well as the ethical and legal implications of performance enhancement. Leading academics in the field include Dr. Harrison G. Pope, Jr., a professor of psychiatry at Harvard Medical School who has conducted extensive research on the psychological and physical effects of steroids. Another prominent academic in the field is Dr. Charles E. Yesalis, a professor of health policy and administration at Penn State University who has studied the use of PEDs in sports for over three decades. By exploring academic topics related to performance enhancement, high school students can gain a deeper understanding of this complex and controversial issue. They can also develop critical thinking skills and learn how to conduct research and present their findings in a clear and concise manner.

Tardigrades, also known as water bears, can survive extreme environments by entering a state of suspended animation and revitalizing decades later, and a UCLA chemist used this mechanism to develop a polymer called pTrMA that stabilizes drugs at high temperatures and over extended periods. This innovation could improve drug access, reduce waste, and save lives.

The Cancer Chronicles takes readers on a fascinating journey through the history and recent advances of cancer research, revealing surprising discoveries and challenging everything we thought we knew about the disease. Science writer George Johnson delves into every discipline from evolutionary biology to game theory and physics to extract fact from myth and hype. He describes tumors that evolve like alien creatures, paleo-oncologists who uncover petrified tumors clinging to the skeletons of dinosaurs, and the surprising reversals in science's comprehension of the causes of cancer. This intellectually vibrant exploration of cancer research is a must-read for anyone seeking a new understanding of the disease. Recommended for students interested in biology, medicine, and health sciences, as well as anyone whose life has been affected by cancer, The Cancer Chronicles offers a new perspective on the disease. This book is relevant to those pursuing careers in oncology, epidemiology, and clinical trials, as well as those interested in environmental health and public policy. The interdisciplinary approach taken by George Johnson, exploring cancer research through the lens of evolutionary biology, game theory, and physics, makes this book a valuable resource for anyone looking to broaden their understanding of the disease. The Cancer Chronicles is a compelling read that offers a unique perspective on cancer research and the human experience of the disease.

Are you curious about what happens when you sleepwalk? Sleepwalking is a fascinating behavior that many people experience at least once in their lives. When you sleepwalk, your brain's control hub is turned off, and your body is guided by specialized nerve cells. While most sleepwalkers only do basic things, in rare cases, some may perform more complex tasks. Sleep terrors, another sleep disorder, are more common in young children and involve sudden jolts out of bed or running away. Researchers are still unclear about what causes sleepwalking, but it's thought to run in families or be triggered by stress, sleep disorders, or sleep deprivation. Learning more about sleepwalking can not only help you understand how your brain works, but also help you establish healthy sleep habits and promote overall wellness to reduce chances of you sleepwalking.

Do you ever wonder why orange juice tastes so bad after brushing your teeth? It turns out that our taste buds, which are made up of taste receptor cells, are responsible for identifying different tastes like sweet, bitter, and savory. Toothpaste contains Sodium Lauryl Sulphate (SLS), which creates foam while brushing and temporarily gets rid of the molecules that block our bitter receptors. This makes the receptor much more sensitive to bitter flavors, causing that awful taste. However, taste isn't just affected by our receptors. Temperature, texture, and smell can change what we sense too. Learning about the science of taste can help you understand why some foods taste the way they do and how to enhance your dining experience. So, next time you have OJ after brushing, try plugging your nose or go for a coffee or Bloody Mary instead.

Are you fascinated by the inner workings of the human body? Do you have a passion for technology and problem-solving? If so, a career as a Radiologic Technologist might just be the perfect fit for you! Radiologic Technologists are healthcare professionals who use imaging equipment to capture images of the body's internal structures. These images are then used by physicians to diagnose and treat a wide range of medical conditions. As a Radiologic Technologist, you'll have the opportunity to work with patients of all ages and backgrounds, making a real difference in their lives. One of the most appealing aspects of this field is the variety of specializations available. From diagnostic imaging to radiation therapy, Radiologic Technologists can choose to focus on a specific area of interest. This means that there's always something new to learn and explore! To become a Radiologic Technologist, you'll typically need to complete a two-year associate's degree program in Radiologic Technology. Many colleges and universities also offer four-year bachelor's degree programs in Radiologic Sciences, which can lead to more advanced positions in the field. In addition to formal education and training, there are several personal attributes that can help you succeed as a Radiologic Technologist. These include strong communication skills, attention to detail, and the ability to work well under pressure. Job prospects for Radiologic Technologists are excellent, with the field expected to grow by 9% over the next decade. This means that there will be plenty of opportunities for graduates to find rewarding and challenging positions in a variety of settings, including hospitals, clinics, and imaging centers. Some of the most notable and attractive potential employers in the field include the Mayo Clinic, Cleveland Clinic, and Johns Hopkins Hospital. These institutions are known for their commitment to innovation and excellence, and offer Radiologic Technologists the chance to work with some of the most advanced imaging equipment in the world. So if you're looking for a career that combines technology, healthcare, and problem-solving, consider becoming a Radiologic Technologist. With its many specializations, excellent job prospects, and potential for growth and advancement, it's a field that offers something for everyone!

Did you know that spending just a few weeks in space can lead to a 20% loss of muscle mass? That's because in microgravity, astronauts don't need to use their muscles as much to stay upright or move around. This lack of exercise leads to a breakdown in muscle tissue and a loss of strength. But it's not just astronauts who are affected by muscle degradation. People on bed rest, those with certain medical conditions, and even the elderly can experience a loss of muscle mass and function. So what's happening on a cellular level? When muscles aren't used, they begin to break down proteins for energy. This process, called protein degradation, can lead to the loss of muscle mass and function. But don't worry, researchers are working hard to find ways to combat muscle degradation in space and on Earth. One approach is to use exercise machines that simulate gravity, which have been shown to maintain muscle mass in astronauts. Other research has focused on using drugs to block the protein degradation process and promote muscle growth. Leading academics in the field of muscle degradation include Dr. Robert Fitts, a professor of biology at Marquette University, who has researched the effects of microgravity on muscle mass and function. Dr. Lori Ploutz-Snyder, a professor at the University of Michigan, has also studied muscle atrophy and is working on developing exercise programs to prevent it. Overall, muscle degradation is a serious concern for both astronauts and people on Earth. By learning more about the causes and potential solutions, we can work towards maintaining healthy muscles and preventing muscle loss.

Chemotherapy is a type of cancer treatment that uses drugs to kill rapidly dividing cancer cells in the body. The drugs are delivered through pills and injections and are toxic to all cells in the body, including healthy ones. However, cancer cells are more susceptible to the effects of chemotherapy because they multiply rapidly. Chemotherapy drugs can damage hair follicles, cells of the mouth, gastrointestinal lining, reproductive system, and bone marrow, which can cause side effects such as hair loss, fatigue, infertility, nausea, and vomiting. Despite these side effects, chemotherapy has greatly improved the outlook for many cancer patients. Advances in treatment have led to up to 95% survival rates for testicular cancer and 60% remission rates for acute myeloid leukemia. Researchers are still developing more precise interventions to target cancer cells while minimizing harm to healthy tissues. Learning about chemotherapy can help high school students understand the science behind cancer treatment and the importance of ongoing research to improve outcomes for patients.

Do you have a passion for science and a desire to help people? If so, Optometry may be the perfect field of study for you. Optometry is a branch of medicine that focuses on the eyes and vision. It is a fascinating field that combines science, technology, and patient care to help people see clearly and live their best lives. Optometry is all about helping people to see the world around them. As an optometrist, you will use your knowledge of the eyes and vision to diagnose and treat a range of eye conditions, from simple refractive errors to more complex diseases such as glaucoma and cataracts. You will also help people to maintain their eye health and prevent vision problems from developing. One of the most exciting aspects of Optometry is the constant innovation and research that is taking place in the field. From new technologies that allow for more accurate diagnosis and treatment, to groundbreaking research into the causes and treatments of eye diseases, there is always something new and exciting happening in Optometry. At the undergraduate level, typical majors and modules include anatomy and physiology of the eye, optics, visual perception, and ocular disease. Students will also have the opportunity to gain practical experience through clinical placements and internships. After completing their undergraduate degree, students can go on to specialize in areas such as pediatric optometry, contact lenses, or vision therapy. With a degree in Optometry, there are a range of potential job opportunities available. Optometrists can work in private practice, hospitals, clinics, or for government agencies. Some notable employers in the field include Bausch + Lomb, Johnson & Johnson, and Essilor. To succeed in Optometry, students should have a strong background in science, particularly biology and chemistry. They should also possess excellent communication and interpersonal skills, as they will be working closely with patients on a daily basis. If you are passionate about science and helping people, a degree in Optometry may be the perfect choice for you.

Have you ever wondered why a black eye turns blue, then green, then yellow, and finally brown before disappearing? It's all because of your hemoglobin, the compound in red blood cells that brings oxygen to your body. When you get hit, the blow crushes tiny blood vessels called capillaries, and red blood cells ooze out of the broken capillaries into the surrounding tissue. From the outside of your skin, this mass of cells looks bluish-black, which is where we get the term, "black and blue". Learning about hemoglobin and how it works in your body can be fascinating and practical knowledge that can help you understand how your body works. It's an example of how exploring academic topics through reading, reflection, and writing can inspire you to learn more about the world around you.

Can blood rejuvenation really extend human lifespan by 10 healthy years? Silicon Valley entrepreneurs invest millions into life extension projects. But is it ethical? Read on to explore the scientific and ethical debates surrounding lifespan extension technologies.