Healthy diets
Learning Center
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
How do COVID-19 antibody tests differ from diagnostic tests?
Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you have the virus now.
How is brown fat different from other fat?
Researchers have uncovered a type of body fat, dubbed brown fat, that appears to burn regular fat.
Hyperinflated lungs: What does it mean?
If you can’t breathe out well, as in COPD, air may get trapped inside your lungs. As you breathe in more air over time, your lungs get too big and stiff.
Intermittent fasting: What are the benefits?
Intermittent fasting isn't new, but it's gaining followers. What's the appeal?
Isometric exercises: Good for strength training?
Learn more about isometric exercises that contract a particular muscle or group of muscles.
Junk food blues: Are depression and diet related?
Depression and diet may be related, and junk food may increase the risk of depression.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Loss of taste and smell: Natural with aging?
Aging can play a role in the loss of taste and smell — but not always.
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