Sports nutrition
Learning Center
Dysarthria
This condition affects muscles used for speaking. Speech therapy and treating the underlying cause may improve speech.
Easy bruising: Why does it happen?
Get the facts about easy bruising. Learn about causes and find out when it's a sign of a problem.
Performance-enhancing drugs: Know the risks
Learn about the health risks of doping in athletes.
Memory loss: When to seek help
Memory loss may indicate normal aging, a treatable condition or the onset of dementia.
Menstrual cycle: What's normal, what's not
Learn about how to track your menstrual cycles and what any changes may mean.
Working out? Time your meals right
Think about how much you eat before you work out. If you eat too much, you may feel sluggish. On the flip side, if you don't eat much before you exercise, you may not have the energy to keep feeling strong throughout your workout. To strike the right balance, eat a light snack before exercising. After a big meal, wait a few hours before hitting the gym.
Heart attack symptoms: Know what's a medical emergency
Watch for these heart attack symptoms.
Alzheimer's stages: How the disease progresses
Alzheimer's stages — common behaviors as the disease progresses.
Low potassium (hypokalemia)
Low potassium (hypokalemia): Symptom — Overview covers what can cause this blood test result.
Unexplained weight loss
Unexplained weight loss has many causes — some serious. Find out when losing weight without trying calls for a medical evaluation.
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