Spotlight On: The Skeletal System

If you’ve ever seen a house being built, you’ll recognize the wooden framework as the beginning of the structure. Just as this framework provides the structure for the insulation, walls and roof of a house, our bones are also a strong framework. Bones provide a firm support system that protects our internal organs and give … Continue reading Spotlight On: The Skeletal System

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

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

Type 2 Diabetes and You: It’s Complicated

People in the U.S. continue to eat diets high in saturated fat and get little exercise. And more and more of them are being diagnosed with type 2 diabetes. While many people with diabetes make lifelong lifestyle changes to control their blood sugar, others may not understand that eating too much sugar when they have … Continue reading Type 2 Diabetes and You: It’s Complicated

Running on Empty: No Oxygen Needed!

Take a deep breath in. Now breathe out. Each time we breathe, oxygen enters the bloodstream to keep our organs alive and working. When oxygen can’t get to our body’s tissues, they begin to fail. This is true of all organs, but most of all the brain. In conditions like stroke and cardiac arrest—when the … Continue reading Running on Empty: No Oxygen Needed!

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

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

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

A Scientist’s Quest to Understand the Box Jellyfish that Almost Killed Her

About 50 different species of box jellyfish live in the Pacific Ocean and on the coasts of Florida and New Jersey. When the box jellyfish stings, it shoots venom from its tentacles into a person’s flesh with as much pressure as a bullet fired from a gun. The unique venom contains many different types of … Continue reading A Scientist’s Quest to Understand the Box Jellyfish that Almost Killed Her

Happy Holidays from I Spy Physiology

Our blog is on winter break this week. See you in 2018! Have a safe and happy holiday season. -  Erica Roth