Circulatory Failure: When Blood Pressure Dips Too Low

We often hear about high blood pressure and how it can be dangerous to health, but low blood pressure isn’t talked about as much. For most people, a blood pressure reading lower than 90/60 mmHg may cause lightheadedness but otherwise is unlikely to cause long-term harm. However, in cases of severe disease or major injury, … Continue reading Circulatory Failure: When Blood Pressure Dips Too Low

Pumpkins: Orange, Tasty and Good for Your Health

Leaves are falling, the air is crisp and everywhere you turn, mums and hay bales decorate yards and front porches. With autumn in full swing and Thanksgiving coming up, the grocery store shelves are heavy with root vegetables and squashes, especially pumpkins. In addition to the seasonal appeal, pumpkin contains nutrients that are good for … Continue reading Pumpkins: Orange, Tasty and Good for Your Health

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

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

Missing Out on Sleep, Missing Out on Health: Why You Need More Sleep

Right now, one-third of the population is walking, driving or doing their job in a drunken state. Not because they’ve had too much to drink, but because they haven’t spent enough time in bed. No exaggeration—inadequate sleep has been shown to be the same as operating at a blood alcohol level of .05 percent (the … Continue reading Missing Out on Sleep, Missing Out on Health: Why You Need More Sleep

Spotlight On: Hypertension

You may hear the word “hypertension” a lot: in a medical clinic, on the news and in passing conversation. If you’ve ever wondered what it really means, read on. Simply put, hypertension means high blood pressure, a condition that people of all ages, races and ethnicities can develop. Blood pressure is the measurement of blood … Continue reading Spotlight On: Hypertension

The Dog Days of Summer Running

  It’s August in Louisville, Ky., and my alarm goes off at 5:40 a.m. Time for my morning run with my four-legged running buddy, Julep. After I do some light stretching, we’re pounding the pavement by 6 a.m. to get a 5-mile run in. I choose to exercise before work because it’s (slightly) cooler compared … Continue reading The Dog Days of Summer Running

Cardiovascular Consequences of Wildfires and Climate Change

This week, there’s been nonstop media coverage of the massive wildfires in California—including the Mendocino Complex fire, now considered the largest fire in state history. In California alone, more than 13,000 firefighters are battling flames that have scorched more than 600,000 acres. The U.S. is not the only country experiencing an uptick in catastrophic fire … Continue reading Cardiovascular Consequences of Wildfires and Climate Change

Virtual Reality Gives Students a New Look at Physiology

  This summer I had the opportunity to design and teach a two-week course as part of the Summer Discovery program at Penn State. The program brings high school students from all over the globe, including Taiwan, Japan and Puerto Rico, to central Pennsylvania to attend college preparation courses. Taking the lead in developing and … Continue reading Virtual Reality Gives Students a New Look at Physiology

The Fat-blocking Powers of Fiber

An estimated 610,000 people in the U.S. die from heart disease each year. One common cause of heart disease is the narrowing of blood vessels due to the buildup of fatty deposits (plaque). Many factors—including eating a lot of fatty foods—can lead to plaque buildup in blood vessels. Your liver processes excess fat by packaging … Continue reading The Fat-blocking Powers of Fiber