Is What’s Healthy in the Eye of the Beholder?

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 … Continue reading Is What’s Healthy in the Eye of the Beholder?

2023’s Most-read I Spy Physiology Posts

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, … Continue reading 2023’s Most-read I Spy Physiology Posts

Watching Scary Movies Can Help Reduce Your Stress (Really!)

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 … Continue reading Watching Scary Movies Can Help Reduce Your Stress (Really!)

Love, Physiology Style

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 … Continue reading Love, Physiology Style

New Thoughts on Why You Can’t Sleep

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 … Continue reading New Thoughts on Why You Can’t Sleep

The Healing Power of Nature

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 … Continue reading The Healing Power of Nature

For the Love of a Dog

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 … Continue reading For the Love of a Dog

Spotlight On: Circadian Rhythm

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 … Continue reading Spotlight On: Circadian Rhythm

Post-traumatic Stress Disorder: 1 Part Genes, 1 Part Experience

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 … Continue reading Post-traumatic Stress Disorder: 1 Part Genes, 1 Part Experience

March to the Beat of Your Own Drum

My two young children absolutely love to beat on drums (or tables, chairs, any flat surface really). I recently took them to a family-oriented drum circle. They had a blast, and I was surprised at how good I felt too, both during and after the event. It turns out all that drumming—especially with others—is beneficial … Continue reading March to the Beat of Your Own Drum