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Diseases & Conditions

Measles vaccine: Can I get the measles if I've already been vaccinated?

Is it possible to get measles from someone else if you've been vaccinated?

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Meatless meals: The benefits of eating less meat

Meatless meals are an easy way to eat healthfully and save money.

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Median arcuate ligament syndrome (MALS)

Stomach pain after eating isn't always indigestion. It could be MALS, also called celiac artery…

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Medical abortion

Learn what to expect when medicine is used to end a pregnancy, including side effects,…

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Medication overuse headaches

Using medicines that ease headache pain too often can start causing headaches. Learn about prevention…

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Medications and supplements that can raise your blood pressure

Some medicines and herbal remedies, including those used to treat pain, depression and the common…

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Medicine concerns during pregnancy

Learn about the effects some medicines can have during pregnancy.

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Medicine concerns while breastfeeding

Medicine use while breastfeeding is common. However, some medicines may have harmful effects on a…

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Medicine use in children

Not all medicines are safe to give to children. Learn more about medicines that should…

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Medicine use in older adults

Our bodies respond differently to medicines as we age. Find out more about what medicines…

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Medicine use in transplant recipients

Medicines are needed after an organ transplant to prevent organ rejection. Learn more about the…

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Medicines that increase fall risk in older adults

Medicines may increase fall risk as we age. Find out more about which medicines may…

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Meditation

Find out more about this mind-body practice and its possible health benefits.

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Meditation: A simple, fast way to reduce stress

Learn quick and easy ways to meditate, no matter where you are.

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Mediterranean diet for heart health

This heart-healthy eating plan emphasizes healthy fats, whole grains, fruits, vegetables, beans, nuts and seeds.

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Medulloblastoma

Medulloblastoma is the most common cancerous brain tumor in children. Treatment usually includes a combination…

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Melanoma

Learn about the symptoms, diagnosis and treatments for the most serious form of skin cancer.

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Melanoma pictures to help identify skin cancer

See pictures of this type of skin cancer to know what skin changes might cause…

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Melatonin

Find out how melatonin can promote sleep and understand possible side effects of this supplement.

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Melatonin side effects: What are the risks?

Melatonin is generally safe for short-term use but can cause side effects.

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MELD (model for end-stage liver disease) score

This score helps healthcare professionals rank people on the transplant list so that those who…

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Memory loss: 7 tips to improve your memory

Memory loss can be stressful and upsetting. Find out how staying active and engaged can…

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Memory loss: When to seek help

Memory loss may result from typical aging, a treatable condition or the onset of dementia.

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Meniere's disease

This chronic disorder affects balance and hearing, causing unpredictable episodes of dizziness and hearing problems.

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Meningioma

This is the most common type of tumor that forms in the head and may…

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Meningitis

Spot the signs and understand the treatment options for meningitis, an infection that has several…

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Ménopause

Find out about this major life change and learn how to manage hot flashes and…

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Menopause and high blood pressure: What's the connection?

Menopause and high blood pressure seem to go together. Discover why.

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Menopause hormone therapy: Does it cause vaginal bleeding?

Some forms of this treatment for hot flashes and other menopause symptoms may cause bleeding.…

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Hormone therapy: Is it right for you?

Hormone therapy is an effective treatment for menopause symptoms, but it's not right for everyone.…

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