Try High-intensity Interval Exercise: Your Brain Might Thank You

Credit: iStock Imagine burning 30 percent more calories in half the amount of time you usually spend working out—and continuing to burn calories after the workout ends. High-intensity interval exercise (HIIE)—a type of workout that alternates bursts of intense cardiovascular exercise with brief breaks—does just that. A recent study from Brazil suggests that HIIE does … Continue reading Try High-intensity Interval Exercise: Your Brain Might Thank You

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

Spotlight On: The Muscular System

Many of us only think about our muscles when they are sore from being a “weekend warrior” or shoveling out after a snowstorm. However, without skeletal muscles we would not be able to breathe, stand upright, walk or run. The fact that our muscles make up between 40 and 50 percent of our body mass … Continue reading Spotlight On: The Muscular System

Maybe She’s Born with It: Genetics Give Competitive Swimmers Their Edge

Competitive swimming is a demanding sport that requires maintaining a high level of activity—while partially submerged in the water—without being able to breathe naturally. It’s a sport—like any form of exercise—that may not be suited to everyone. Years of research have shown that competitive swimmers have larger lungs and better lung function than non-swimmers. In … Continue reading Maybe She’s Born with It: Genetics Give Competitive Swimmers Their Edge

Halloween Musings on Mutations

The word “mutation” may conjure up images of fictional monsters, Marvel X-Men and creatures with non-human characteristics. It’s true that mutations are often associated with disease: something that has gone wrong in the body to produce an oddly shaped body part or sometimes cancer. However, mutations can’t be categorized as “good” or “bad” so easily. … Continue reading Halloween Musings on Mutations

Pregnancy, Altitude and Exercise: One Serious Set of Challenges

Frequent readers of the I Spy Physiology blog will know that topics such as altitude, pregnancy and exercise are some of our favorites to write about. All of these conditions provide a challenge to our body’s homeostasis, or ability of the body to regulate all of its systems and functions. Until recently, scientists did not … Continue reading Pregnancy, Altitude and Exercise: One Serious Set of Challenges

Four More Reasons Why You Should Exercise Regularly

You may know that being physically active can lower your risk of heart attack and stroke. Exercise also helps prevent age-related declines in muscle size and aerobic capacity. Aside from the well-known benefits of regular exercise on leading a long and healthy life (also known as the healthspan), there are other important advantages that may … Continue reading Four More Reasons Why You Should Exercise Regularly

Walk It Out: How Frequent Walking Breaks Help Your Brain

“Sit less, move more.” This message is being increasingly promoted in the world of health and fitness and in society at large and for good reason. The time we spend sitting is directly related to our health. In fact, too much sitting might even be harmful to people who exercise regularly. Sitting continuously for three … Continue reading Walk It Out: How Frequent Walking Breaks Help Your Brain