Sleep
Learning Center
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
Manage your health and time while balancing work demands
Get tips to manage your health, stay focused, and use your time well while dealing with job pressures and demands.
Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
Loss of taste and smell: Natural with aging?
Aging can play a role in the loss of taste and smell — but not always.
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.
Kids and exercise: How much activity do they need?
You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.
Isometric exercises: Good for strength training?
Learn more about isometric exercises that contract a particular muscle or group of muscles.
Intermittent fasting: What are the benefits?
Intermittent fasting isn't new, but it's gaining followers. What's the appeal?
Insomnia: How do I stay asleep?
Waking up in the middle of the night and not being able to get back to sleep is a common form of insomnia. Here's how to fall asleep again.
Hydrated skin: Does drinking water help?
Understand the role water plays in keeping skin healthy.
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