Heff Peff: When Filling the Heart Fails

Credit: iStock Heart failure is a common disease in which the heart can’t pump enough blood to meet the demands of the body. Many people may have heard of heart failure that prevents the heart from contracting properly or pumping enough blood. The measure most commonly used to calculate how well the heart contracts is … Continue reading Heff Peff: When Filling the Heart Fails

How Our Body Stays Cool in the Heat and What Changes as We Age

In the past several decades, heat waves have been occurring more frequently, with a recent major heat event breaking temperature records in Europe. When people don’t have access to air conditioning, fans or simply a shady spot, the extremely high temperatures can be dangerous, especially for the elderly. While young adults are more able to … Continue reading How Our Body Stays Cool in the Heat and What Changes as We Age

Watermelon: A Tasty Summer Treat That’s Good for Heart Health

Summertime means warm weather, and with increasing temperatures come backyard barbeques and potluck celebrations. No summer cookout is complete without the “essential” foods, and watermelon is a favorite for many of us. The juicy red fruit is tasty and refreshing and may even be good for our health. Watermelon is a whopping 92 percent water. … Continue reading Watermelon: A Tasty Summer Treat That’s Good for Heart Health

The CBD Craze: How It Affects the Vascular System

In just a few years, the therapeutic use of cannabidiol (CBD)—one of the active ingredients in marijuana (cannabis)—has attracted a lot of attention from the scientific community and general public. This elusive compound has been the subject of debate across the country. Drug classification in the U.S. is not always straightforward and often depends on … Continue reading The CBD Craze: How It Affects the Vascular System

Surprising Ways to Protect Your Heart: Research from Experimental Biology 2019

  Scientists who study physiology and other biomedical research fields—including anatomy, biochemistry, pathology and pharmacology—gather every year at the Experimental Biology (EB) meeting to network, collaborate and communicate new research findings. This year’s EB meeting in Orlando, Fla., featured studies ranging from the gut microbiome to heart disease to adolescent health. Read on to learn … Continue reading Surprising Ways to Protect Your Heart: Research from Experimental Biology 2019

Sleeping, Breathing and Addiction: Research from Experimental Biology 2019

Scientists who study physiology and other biomedical research fields—including anatomy, biochemistry, pathology and pharmacology—gather every year at the Experimental Biology (EB) meeting to network, collaborate and communicate new research findings. This year’s EB meeting in Orlando, Fla., featured studies ranging from the gut microbiome to heart disease to adolescent health. Read on to learn more … Continue reading Sleeping, Breathing and Addiction: Research from Experimental Biology 2019

Tart Cherries Are Sweet for Blood Vessel Health

Now that it’s officially spring, you may be looking forward to the bounty of fresh fruits and vegetables that will soon be available in grocery stores, farmers markets and perhaps even your own garden. The Montmorency cherry, tucked into the colorful landscape of the produce aisle, is tasty and healthy. The Montmorency cherry is a … Continue reading Tart Cherries Are Sweet for Blood Vessel Health

Sleeping on an Airplane: It’s All about Blood Flow

This week, the I Spy Physiology blog answers a reader question: Why is it hard to sleep upright on an airplane? Having trouble sleeping when traveling on an airplane or by train or car may not be just because of the change in air pressure or the motion of the vehicle. Your circulation—or lack of … Continue reading Sleeping on an Airplane: It’s All about Blood Flow

Why Being an ‘Active Couch Potato’ Is Bad for Your Health

Did you know that even if you exercise regularly, you may be what researchers call an “active couch potato?” Consider this: If you exercise 30 to 45 minutes a day—completing your daily workout all at one time—it is easy to still spend 80 to 90 percent of your waking hours sitting. A study in England … Continue reading Why Being an ‘Active Couch Potato’ Is Bad for Your Health

2018’s Most-read Posts

December is here again, and we’ve tackled another year of physiology facts on the I Spy Physiology blog. This year, we’ve delved into topics ranging from the link between childhood stress and medical problems in adulthood, to how researchers use virtual reality in the classroom to teach physiology, to the many reasons why marriage is … Continue reading 2018’s Most-read Posts