Credit: iStock In physiology research, the term “placebo effect” refers to the positive effects that result from our perception of something being healthy. For example, exercise benefits our health, but just knowing exercise is good for us may also enhance its benefits. There’s also a phenomenon known as the “nocebo effect”—negative effects that happen when … The post Is What’s Healthy in the Eye of the Beholder? appeared first on I Spy Physiology Blog ..read more

Credit: iStock This year, as science celebrated the discoveries that gave us mRNA vaccines to fight COVID-19 and gene editing treatments for sickle cell disease, our contributors also brought you fascinating, fun and insightful physiology stories on the I Spy Physiology blog. From the always-popular topic of spaceflight to the always-important matter of mental health, … The post 2023’s Most-read I Spy Physiology Posts appeared first on I Spy Physiology Blog ..read more

Credit: iStock If you’re a fan of scary movies, you might notice that intense scenes may make you a little fidgety. As a scare pops up suddenly, you may unconsciously clench your fists or grip the arms of the couch, your heart rate quickens, goosebumps start to prickle your skin and sweat beads out of … The post Watching Scary Movies Can Help Reduce Your Stress (Really!) appeared first on I Spy Physiology Blog ..read more

If you tend to see the proverbial glass as half empty instead of half full, you may want to rethink your position. Looking on the bright side and expecting good things to happen may have a positive effect on your physical health. An optimistic outlook on life may reduce your cardiovascular disease risk, lower blood … The post Look on the Bright Side—It May Improve Your Health appeared first on I Spy Physiology Blog ..read more

Credit: iStock Love is described in many ways, both good and bad: “Love is blind” is first attributed to English author Geoffrey Chaucer. American author and activist Helen Keller said love is like a beautiful flower. According to the (perhaps jaded?) Greek philosopher Plato, love is a “grave mental disease.” Love is also physiology. Our … The post Love, Physiology Style appeared first on I Spy Physiology Blog ..read more

Credit: iStock This month, in celebration of the 100th anniversary of the American Physiological Society journal Physiological Reviews, we are highlighting recent research published in the journal. Interested in reading more in celebration of Physiological Reviews’ birthday? Read our spotlight on migraine, about bariatric surgery’s effect on hunger and about targeting the immune system to treat cancer. It’s the … The post New Thoughts on Why You Can’t Sleep appeared first on I Spy Physiology Blog ..read more

Credit: iStock Have you considered that nature is a form of medicine? The ancient Greek civilization expressed its need for nature through its father of medicine, Hippocrates, who said “airs, waters and places” were essential for well-being. You may feel profound relaxation on a beach, but you may not know exactly why you feel that … The post The Healing Power of Nature appeared first on I Spy Physiology Blog ..read more

Apollo Archimedes' love for his human may also have boosted her health. Credit: Jessica Taylor During February, thoughts of love and relationships are in the air as Valentine’s Day approaches. Chocolate hearts pepper both television ads and candy bowls for good reason: The heart has long been a symbol of many forms of love. Physiology … The post For the Love of a Dog appeared first on I Spy Physiology Blog ..read more

The phrase “circadian rhythm” seems to appear with increasing frequency in the news. The study of circadian rhythm also got a boost when the 2017 Nobel Prize in Physiology or Medicine was awarded to three pioneering researchers in this area. But many people may not understand what it means and why it’s important. All biological … The post Spotlight On: Circadian Rhythm appeared first on I Spy Physiology Blog ..read more

Post-traumatic stress disorder (PTSD) is a debilitating, psychiatric disorder that can occur following exposure to trauma or extreme stress. While anyone who has experienced trauma can develop PTSD, it is most often associated with military veterans. Not everyone who has experienced trauma will develop PTSD—in fact, the majority of people exposed to trauma do not … The post Post-traumatic Stress Disorder: 1 Part Genes, 1 Part Experience appeared first on I Spy Physiology Blog ..read more