Can Intermittent Fasting Prevent Kidney Damage in Obesity?

Claudia Edell presents her research at the American Physiology Summit. Credit: Claudia Edell Obesity is extremely prevalent in the U.S. population and can lead to a variety of health complications, such as high blood pressure, endothelial dysfunction, inflammation and even chronic kidney disease. Intermittent fasting—referred to as “time-restricted feeding” in research—is a popular diet in … Continue reading Can Intermittent Fasting Prevent Kidney Damage in Obesity?

Spotlight On: Obesity

Credit: iStock Obesity, broadly defined as “a condition characterized by the excessive accumulation and storage of fat in the body,” has long been recognized as increasing the risk of human disease and death. Hippocrates, often called the “father of medicine,” noted in the fifth century B.C. that “sudden death is more common in those who … Continue reading Spotlight On: Obesity

The COVID ‘15’: Staying Healthy and Informed during a Pandemic

Credit: iStock When the world came to an abrupt halt in early 2020 as the COVID-19 pandemic took hold, some people who had been keeping up with a healthy lifestyle, including proper nutrition and exercise, slid out of these habits. This happened for a variety of reasons, such as lack of access to exercise equipment, … Continue reading The COVID ‘15’: Staying Healthy and Informed during a Pandemic

Bariatric Surgery Reveals Complexities of Our Hunger Systems

Bariatric surgery affects a variety of physiological processes in the human body, including brain signaling, hormones, blood composition and the microbiome.

2020’s Most-read I Spy Physiology Posts

Credit: iStock In a year like no other in our lifetimes, many of us found ourselves putting aside our usual pursuits and thirsting for information on the coronavirus pandemic. I Spy Physiology blog contributors quickly switched gears to keep you informed, including a series of posts covering the physiology of COVID-19 and how it affects … Continue reading 2020’s Most-read I Spy Physiology Posts

Giving Sugar the Run-around: How Exercise Protects Blood Vessels from Sugary Drinks

Credit: iStock An estimated 70% of people living in the U.S. add too much sugar, about 23 teaspoons, to their diet each day. This is alarming because diets high in added sugar increase the risk for developing chronic conditions such as obesity, type 2 diabetes and heart disease, which is the leading cause of death … Continue reading Giving Sugar the Run-around: How Exercise Protects Blood Vessels from Sugary Drinks

Is Dropping Junk Food the Key to Weight Loss?

Credit: iStock Since 1975, obesity has nearly tripled, now affecting over 650 million adults worldwide. Scientists know that diet can influence obesity—researchers have thought that ultra-processed or “junk” foods are part of the cause—but until recently, there have not been many studies to support the claim. Ultra-processed foods such as soda, pre-packaged items, cold cuts … Continue reading Is Dropping Junk Food the Key to Weight Loss?

The Surprising Health Benefits of ‘Yo-yo’ Dieting

Credit: iStock It’s not really news that obesity and the trend of increasing waistlines seems to only be heading upward—and outward. Despite efforts to fight the fat, many people end up regaining the weight they lose when they diet in a phenomenon known as “weight cycling” or “yo-yo dieting.” Weight cycling can be frustrating, and … Continue reading The Surprising Health Benefits of ‘Yo-yo’ Dieting

A Nutty Way to Curb Cravings

Although walnuts are recommended as an effective way to control appetite in people with diabetes, just how they regulate appetite has only recently been discovered. In a new study published in the journal Diabetes, Obesity and Metabolism, researchers examined the brains of 10 obese volunteers who drank breakfast smoothies for five days. Some of the … Continue reading A Nutty Way to Curb Cravings

Sugars, Fructose and Your Health

Early humans were probably jacks of all trades when it came to food—they ate what was available, and the amount of carbohydrates, proteins and fats in their diet varied dramatically depending on where they lived. Except for honey, there were likely no sweeteners to “spice” up their meals. That all changed 200 years ago when … Continue reading Sugars, Fructose and Your Health