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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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How to track saturated fat

Knowing how much saturated fat is in the foods you eat can help you meet…

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How to treat a piercing infection

Find tips for treating minor ear piercing infections.

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How to treat baby eczema

Learn simple remedies to easing your baby's discomfort from the pain and irritation of this…

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How to trim thickened toenails

Thickened toenails can be uncomfortable, especially if they grow too long. Learn how best to…

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How well do face masks protect against COVID-19?

Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask…

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How you hear

The ears take in and interpret sounds from the outside world.

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How your brain works

Which part of your brain does what? Take a tour.

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HPV infection

This common viral infection often gets better on its own. When it doesn't, it can…

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HPV infection: A cause of cancer in men?

Learn what types of cancer human papillomavirus can cause and how you can lower your…

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HPV test

This test can help show the risk of cervical cancer. Learn more about how to…

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HPV vaccine: Who needs it, how it works

Learn about how the HPV vaccine works, who needs it and what side effects to…

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Human bites: First aid

Whether they're accidental or on purpose, human bites can be as dangerous as or even…

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Human growth hormone (HGH): Does it slow aging?

Is this treatment an anti-aging breakthrough? Know the facts.

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Human metapneumovirus (HMPV): Symptoms and prevention

Human metapneumovirus (HMPV) is a seasonal virus that causes respiratory illness worldwide. Explore symptoms and…

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Humidifiers: Ease skin, breathing symptoms

Find out about different types of these devices. Learn what they can do for you…

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Huntington's disease

This rare disease causes an early decay of nerve cells in the brain. Learn about…

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Hurthle cell cancer

Learn about this rare type of aggressive thyroid cancer. Treatment typically involves surgical removal of…

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Hydrocele

Find out more about the symptoms, causes and treatments for this swelling in the scrotum.

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Hydrocephalus

Learn about this potentially fatal condition that causes fluid buildup in the brain. It can…

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Hydronephrosis

This condition involves swelling of one or both kidneys. Learn the causes, symptoms and treatments.

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高壓氧治療

This type of therapy is a well-known treatment for decompression sickness, but it has other…

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Hypercalcemia

This condition can weaken bones, create kidney stones, and affect how well the heart and…

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Hypereosinophilic syndrome

Hypereosinophilic syndrome (HES) is a disorder of certain white blood cells that can cause life-threatening…

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