Fitness basics
Learning Center
Penis-enlargement products: Do they work?
Considering penis enlargement? Get the facts about male-enhancement pills, pumps, exercises and surgeries.
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
3D mammogram
Find out what to expect during a 3D mammogram to look for breast cancer. Learn how this newer test compares to a standard mammogram.
Insulin and weight gain: Keep the pounds off
Understand why weight gain is linked to insulin treatment, and find out how to dodge those extra pounds while still managing your blood sugar.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health conditions, the places where people live and work, and racism can affect who becomes seriously ill with COVID-19.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
Intraoperative magnetic resonance imaging (iMRI)
Find out how neurosurgeons use intraoperative magnetic resonance imaging (iMRI) during brain surgery.
Diabetic neuropathy types: Symptoms tell the story
Depending on which type of this condition you have, certain parts of the body may be affected. That can cause symptoms to vary.
Video: How to use a peak flow meter
Asthma attacks taking you by surprise? Take regular peak flow meter readings, as shown in this video, to predict asthma episodes and better control your condition.
Video: An asthma attack
What happens to your airways during an asthma attack?
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