Credit: iStock This year, as the pandemic continued, the lights of labs and classrooms switched back on as scientists and students returned to studying, working and researching in person. Our I Spy blog contributors wrote about a wide range of topics this year, including aging, the physiological effects of grieving, achieving optimal physical performance and … Continue reading 2021’s Most-read I Spy Physiology Posts
Credit: iStock The music starts, and you can’t help it. Your toes start tapping, and before you know it, you’re dancing. It’s a great way to exercise, meet new people if you take a class or hit a night spot, and just have fun. So, what’s going on inside your body when you get moving … Continue reading Get Up and Dance: It’s Good for Your Body
Credit: Kaitlin Allen. Photo taken under NMFS permit #19108 Sleep apnea, which is thought to affect up to 1 in 4 adults, occurs when we briefly stop breathing while asleep. The brain senses the decrease in blood oxygen levels that occurs during the interruption and wakes us up so we’ll take a breath. Some of … Continue reading What Snoozing Seals Can Teach Us about Cardiovascular Health
Credit: iStock Scientists studying how sex and gender affect health and medical outcomes delve into topics—such as female reproductive risk factors, transgender health, and how biological sex affects COVID-19 outcomes, the microbiome and opioid addiction—that haven’t always been studied extensively or well understood. Researchers who specialize in these areas understand how much biological sex matters … Continue reading New Trends in Sex and Gender Medicine Conference: Transgender Health, Addiction, Colon Cancer and More
Credit: iStock Dozens of leading endothelin (ET) researchers from around the world presented new findings at the Seventeenth International Conference on Endothelin (ET-17), hosted and organized by the American Physiological Society (APS). Their work highlighted practical uses of blocking the ET system and the use of ET as a biomarker for disease. Endothelins are amino … Continue reading Recapping the Seventeenth International Conference on Endothelin
Credit: iStock Blood vessel function is important for staying healthy. Impaired blood vessel function can lead to an increase in blood pressure (hypertension). If left unchecked, hypertension can lead to heart disease and, ultimately, death. Pretty scary stuff. A small increase in the diameter or radius of a blood vessel (called dilation) can lower blood … Continue reading Curd Extra Cheese Be Gouda for You?
Tom Heinbockel demonstrates inspiratory muscle strength training using an electronically tapered flow resistive loading device. Photo credit: Casey A. Cass/University of Colorado About half of American adults have high blood pressure. This is alarming because high blood pressure increases the risk of developing heart disease, which is the leading cause of death worldwide. Could a … Continue reading Want to Lower Your Blood Pressure? Just Breathe (In)
Credit: iStock Many of us have experienced the death of a loved one and the grief that inevitably accompanies it. Such loss is widely considered to be the most stressful event we will ever encounter in our lives. I have been thinking about this lately because in just a few months it will be five … Continue reading The Physiology of Grief
Credit: iStock Picture this: It’s a hot summer day, you’ve been at sports practice all afternoon and you know your coach always has the team do conditioning at the end of practice. You and your teammates line up and start to sprint. The finish line is in sight, you are almost there! Finally, you cross … Continue reading Exercise Recovery: Which Body Position Is Best?
Credit: iStock As we get older, our cardiovascular system changes dramatically. Specifically, our blood vessels become stiffer and lose some of their ability to relax. This is known as endothelial dysfunction. Scientists debate and propose many theories about the specific causes of endothelial dysfunction with aging. Recently, telomeres have become a hot research topic. Telomeres … Continue reading Small but Mighty: How Telomeres Could Control Vascular Aging