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

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

How Being Male or Female Affects Our Hearts, Kidneys and Waistlines

When it comes to health, men and women aren’t always equal. Biological factors, such as our anatomy and hormones, affect the way our bodies behave when we’re healthy and when we face health challenges. Top researchers who study the influence of biological sex on health and disease gathered earlier this month in Knoxville, Tenn., for … Continue reading How Being Male or Female Affects Our Hearts, Kidneys and Waistlines

Spotlight On: Preeclampsia

Lady Sybil Crawley—the feisty youngest sister of a wealthy British family on the PBS television series “Downton Abbey”—made her way into viewers’ hearts. Devotees of the show were shocked when, in a surprise twist, she died soon after giving birth. Lady Sybil died from high blood pressure during pregnancy (preeclampsia) that developed into a more … Continue reading Spotlight On: Preeclampsia

The Heart Adapts to the Sex of Heart Transplant Recipients

Whether you are male or female can play a role in your health when it comes to how well you recover and thrive after an organ transplant. Because donated organs are in high demand, the sex of the donor is not taken into consideration when assessing compatibility. However, men and women who receive donated organs … Continue reading The Heart Adapts to the Sex of Heart Transplant Recipients

Do Caffeine and Menstrual Cycles Affect Athletic Performance?

Menstruation and its effect on athletic performance is not often discussed in athletics, even though most female athletes deal with it in their daily lives. However, more researchers have begun to look at this subject, and some are observing how other factors, such as caffeine consumption, could influence a female’s performance during sports. A recent … Continue reading Do Caffeine and Menstrual Cycles Affect Athletic Performance?

How, What and When to Eat: Scientists Weigh In at Experimental Biology 2018

Each year, scientists who study physiology and other biomedical research fields—including anatomy, biochemistry, pathology and pharmacology—gather at the Experimental Biology (EB) meeting. Scientific meetings such as EB provide a platform to present and learn about new and cutting-edge research and form collaborations with colleagues that can lead to advances in science and medicine. This year’s … Continue reading How, What and When to Eat: Scientists Weigh In at Experimental Biology 2018

Skip the Nightcap: Your Sperm or Eggs May Thank You

Alcohol may grease the wheels in the short-term and make trying to get pregnant a little more fun, but in the it long run it could throw a wrench in fertility. Roughly 10 percent of men and women in the U.S. report having difficulty getting pregnant. Worldwide, close to 49 million couples were considered to … Continue reading Skip the Nightcap: Your Sperm or Eggs May Thank You

In Heart Disease, Women and Men Are Not Created Equal

It may seem as if heart disease affects mostly men, but in fact it’s the No. 1 cause of death for both genders—more people die from heart disease than all cancers combined. Perhaps even more surprising is that more women than men will develop heart failure or die within a year of a heart attack. … Continue reading In Heart Disease, Women and Men Are Not Created Equal

2017’s 10 Most-read Posts

Another physiology-filled year on the I Spy Physiology blog is almost over. This year, we’ve explored dozens of topics, ranging from skin cancer, gut health and spinal cord injury to the mystery of how hibernating animals’ muscles remain strong. We’ve celebrated women in science and smiled at the thought of turkeys running on treadmills. Today, … Continue reading 2017’s 10 Most-read Posts