Spotlight On: The Nervous System

Credit: iStock Of all the organs in our bodies, the brain is the most complex and deeply tied to what makes us human. Billions of nerve cells (neurons) in the nervous system make trillions of connections that are the basis of our thoughts, feelings and actions. Our genes make sure our nervous system is generally … Continue reading Spotlight On: The Nervous System

How Math Is Leading to Breakthroughs in Cancer, Breath Tests and Understanding of Glaucoma

What do you get when you put mathematicians and physiologists in a room together? The question may sound like the beginning of a joke, but the answer is not a punchline. Last week, math modelers and experts who study the body’s smallest blood vessels—called the microcirculation—met in Scottsdale, Ariz. This group of elite scientists explored … Continue reading How Math Is Leading to Breakthroughs in Cancer, Breath Tests and Understanding of Glaucoma

Breathe Deep to Explore the Heart’s Physiology

Credit: iStock Breathe in, breathe out. You may have heard that deep breathing techniques are good for your health because they can help you relax and manage stress. You may not know that they are also useful teaching tools for learning about cardiovascular physiology—the study of how the heart and blood vessels work. Breathing—particularly deep … Continue reading Breathe Deep to Explore the Heart’s Physiology

A ‘Holy Grail’ for Exercise Recovery?

Credit: iStock When you start a new fitness routine—whether you are training for a marathon, planning to walk a 5K or committing to swimming more laps—choosing a plan can help you get started and keep you on track. You can find a lot of information about the best way to recover after exercising. However, whether … Continue reading A ‘Holy Grail’ for Exercise Recovery?

The Triple Threat: Diet, Diabetes and Fatty Liver Disease

Credit: iStock Fatty liver disease is a group of disorders that occur when too much fat builds up in the liver. Many people may have heard of alcohol-related fatty liver disease, a condition in which moderate to heavy consumption of alcohol leads to fat buildup and scarring in the liver. However, non-alcoholic fatty liver disease … Continue reading The Triple Threat: Diet, Diabetes and Fatty Liver Disease

Spotlight On: Oxidative Stress

Credit: iStock Oxidative stress is a term that many of us have heard or seen on food and vitamin labels for quite some time, but few people understand what this is. Oxidative stress is the imbalance of reactive oxygen species (ROS), which is a byproduct of metabolism that is made up of different compounds, including … Continue reading Spotlight On: Oxidative Stress

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

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

Seeing Clearly: How Sun Exposure Increases Your Cataract Risk

During the long, hot days of summer, you may find yourself reaching for your sunglasses to block the glare from the sun’s rays. You may not realize that donning shades does more for your eye health than just make it more comfortable to see. Blocking harmful ultraviolet (UV) radiation from the sun is good for … Continue reading Seeing Clearly: How Sun Exposure Increases Your Cataract Risk