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Diseases & Conditions

Hoarding disorder

This mental health condition involves ongoing difficulty parting with possessions, leading to severe clutter and…

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Hodgkin lymphoma (Hodgkin disease)

Learn how this cancer differs from other lymphomas. Find out about risk factors and treatments,…

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Hodgkin vs. non-Hodgkin lymphoma: What's the difference?

Learn how types of lymphomas are determined by using lab tests to examine cancer cells.

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Holmium laser prostate surgery

Learn about this minimally invasive laser procedure to treat an enlarged prostate.

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Holter monitor

This wearable device keeps track of the heart's rhythm during daily activities. Learn when you…

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Home birth: Know the pros and cons

Understand the possible risks and how to plan and prepare for a home birth.

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Home enteral nutrition

Learn how Mayo Clinic specialists help you maintain your feeding tube at home.

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Home parenteral nutrition

Learn about home parenteral nutrition treatment at Mayo Clinic and the situations in which this…

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Home pregnancy tests: Can you trust the results?

Wondering if you're pregnant? A home pregnancy test may help you find out. Learn the…

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Honey

Explore how honey is used orally to treat coughs and topically to treat wounds.

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Honey: An effective cough remedy?

Several studies focusing on the common cold suggest that honey may help calm coughs in…

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Hookah smoking: Is it safer than cigarette smoking?

This habit isn't safer than smoking cigarettes. Find out why.

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Hormonal IUD (Mirena)

This birth control device gives long-acting protection that can be reversed.

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Hormone therapy for breast cancer

Find out how hormone therapy is used to treat breast cancer. Learn about risks and…

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Hormone therapy for prostate cancer

Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.

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Horner syndrome

Find out about Horner syndrome, an interruption in nerve signals from the brain to the…

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Hot flashes

Learn about this most common symptom of stopping periods and ways to get relief, including…

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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…

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How fit are you? See how you measure up

Find your fitness level with these simple fitness tests.

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How is artificial intelligence helping to diagnose dementia?

Artificial intelligence can help detect patterns in brain activity that humans can't — and identify…

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How many hours of sleep are enough?

Wonder how many hours of sleep are enough? A Mayo Clinic specialist offers guidelines.

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How opioid use disorder occurs

Opioids act on the brain in powerful and potentially dangerous ways. Find out why no…

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How to get pregnant

Looking for tips on how to get pregnant? Here's help knowing how to make the…

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How to heal cracked heels

Learn self-care tips for healing cracked heels.

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How to heal cracked skin at thumb tip

Learn how to treat the tiny, painful cracks that can form on the thumb tip…

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How to measure your respiratory rate

Learn how to accurately measure your breathing rate, which is also known as your respiratory…

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How to read colonoscopy results

Having a hard time understanding your colonoscopy results? Use this guide to help you interpret…

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How to take your pulse

Learn two ways to take an accurate pulse, or heart rate.

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How to take your temperature

Learn how to get an accurate temperature reading at home, using common types of thermometers.

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How to tell if a loved one is abusing opioids

Anyone using opioids is at risk of misusing these medicines. Don't ignore signs of harmful…

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