Credit: iStock The mulled wine and apple cider at your local holiday market weren’t the only things brewing this holiday season. A heated debate is on about whether you should avoid alcohol completely or if you should drink small amounts for a healthy lifestyle. Studies have shown that moderate drinkers have a lower risk of … Continue reading Alcohol and Health: Why It’s Not as Simple as One Drink a Day
Author: American Physiological Society
The Quiet Art of Protecting Your Lungs Against COPD
Credit: Amin Mohajeri Take a slow, deep breath. Feel the pleasant airflow entering your lungs, nourishing your blood and fueling your cells. This effortless, automatic rhythm is a priceless gift. With each breath, oxygen flows into the body and carbon dioxide leaves. Yet this delicate exchange can be disrupted over time by long-term exposure to … Continue reading The Quiet Art of Protecting Your Lungs Against COPD
Gone Fishing for Signals in the Gut-brain Connection
Credit: iStock Zebrafish is a small tropical freshwater fish, named for their zebra-like stripes. Though tiny, this little fish plays a big role in biomedical research. It might surprise you that humans share about 70% of their genes with zebrafish. This makes the fish a powerful model for studying health and disease. Meet the zebrafish … Continue reading Gone Fishing for Signals in the Gut-brain Connection
The Top 10 Most-read I Spy Physiology Posts of 2025
Credit: iStock This year marked the 10th anniversary of the I Spy Physiology blog! In a year of great challenge to science funding, talking about the value of science has never been more important, and our contributors understood the assignment. They’ve shared their stories about becoming a science advocate and transitioning from mentee to a … Continue reading The Top 10 Most-read I Spy Physiology Posts of 2025
Spotlight On: Metastasis
Credit: iStock/Ekaterina79 Cancer is a scary experience. You may have heard the term “metastasis” in relation to cancer that can spark more worry. You might not understand exactly what metastasis is. It’s the spread of cancer, from its original site,—such as when breast cancer spreads to the lungs or the brain. Read on to learn … Continue reading Spotlight On: Metastasis
The Brain-boosting Power of Strength Training
Credit: iStock/Zorica Nastasic As the population ages, Alzheimer's disease and related dementias and other neurodegenerative diseases are on the rise. These conditions can make independence harder, but exercise can protect your brain. Aerobic exercises such as walking, jogging and bicycling can improve brain health, size and function. Research has shown that strength training may offer … Continue reading The Brain-boosting Power of Strength Training
The Gender Gap in Medicine: Why Drugs Must Be Developed with Women in Mind
Credit: iStock/blackCAT As a scientist, I’ve often wondered: Why do women report more severe side effects from medications? The answer isn't a medical mystery; it’s historical oversight. For decades, medical research and drug development disproportionately focused on men, disregarding the unique biological and physiological complexities of women. This singular focus created a significant and lasting … Continue reading The Gender Gap in Medicine: Why Drugs Must Be Developed with Women in Mind
How Too Much Salt Makes Your Gut Bacteria Sick
Credit: iStock Salt is widely used as a seasoning in our everyday food. It is sometimes used to preserve food. The American Heart Association advises eating less than 2,300 milligrams of salt daily. Eating salt in moderation is good for the muscles and the nerves. However, eating too much salt is linked to several diseases, … Continue reading How Too Much Salt Makes Your Gut Bacteria Sick
Nanotechnology in Physiology: The Science Behind the Science Fiction
Credit: iStock/boonstudio When you hear “nanotechnology,” the image that comes to mind may be one from a recent movie you have seen, maybe in the Avengers franchise or the Terminator series. Many of these films use nanotechnology in what may seem like an unrealistic way to make some science fiction “movie magic.” Nanotechnology is being … Continue reading Nanotechnology in Physiology: The Science Behind the Science Fiction
A Fatty Truth: How Your Meat and Eggs Become Messages
Credit: iStock/4kodiak When you bite into a burger or crack an egg open, it's more than just a meal. Every fat molecule in that food carries information—tiny signals your body listens to. The way animals are raised, whether in a pasture or in conventional systems, subtly shifts the types of fats that end up on … Continue reading A Fatty Truth: How Your Meat and Eggs Become Messages