Healthy retirement
Learning Center
Aging: What to expect
Understand the natural changes that come with aging.
Air travel during pregnancy: Is it safe?
Consider these guidelines if you need to fly while you're pregnant.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
Allergy medications and pregnancy: What's safe?
Find out what medicines can help you manage allergies while you're pregnant.
Alzheimer's and dementia: What's the difference?
The terms 'Alzheimer's disease' and 'dementia' are often used to mean the same thing — but here's the real difference between them.
Alzheimer's prevention: Does it exist?
Alzheimer's prevention: Strategies for staying physically and mentally fit may be most effective.
Alzheimer's stages: How the disease progresses
Alzheimer's stages — common behaviors as the disease progresses.
Alzheimer's treatments: What's on the horizon?
Alzheimer's treatments now being studied include an Alzheimer's vaccine and several new medicines.
Alzheimer's: Medicines help manage symptoms and slow decline
Although there's no cure for Alzheimer's disease, certain drugs might help you manage your symptoms and improve your life for a time.
Amenorrhea
Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
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