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Hyperinflated lungs: What does it mean?
If you can’t breathe out well, as in COPD, air may get trapped inside your lungs. As you breathe in more air over time, your lungs get too big and stiff.
Hyperbaric oxygen therapy: Can it reduce stroke damage?
Hyperbaric oxygen therapy helps with some medical conditions that affect the brain. Find out what the research says about its role in stroke treatment.
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 same as testing to see whether you have the virus now.
Hip resurfacing: An alternative to conventional hip replacement?
Hip resurfacing uses a metal-on-metal prosthesis, which can cause health problems in some people.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of heart disease later in life.
Hernia truss: Can it help an inguinal hernia?
A hernia truss can temporarily ease discomfort, but medical care is needed for a painful hernia.
Heavy periods: Can folic acid help?
Heavy periods may cause iron deficiency anemia. Folic acid supplements can't treat that.
Heartburn medicines and B-12 deficiency
Acid-controlling medications may do more than prevent heartburn. They may also interfere with vitamin B-12 absorption.
Gastric bypass surgery: What happens if I regain the weight?
After gastric bypass surgery, diet and exercise are crucial for maintaining your weight loss.
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