Herd immunity and COVID-19: What you need to know
Get the facts about coronavirus and herd immunity.
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Hereditary hemorrhagic telangiectasia
This inherited blood vessel condition can cause bad nosebleeds, strokes, bleeding in the digestive tract…
繼續閱讀Herniated disk
This condition occurs most often in the lower back. In many cases, it causes no…
繼續閱讀Hidradenitis suppurativa
This condition causes small, painful lumps to form where your skin rubs together. The lumps…
繼續閱讀High blood pressure and cold remedies: Which are safe?
Among cold medicines, decongestants cause the most concern for people who have high blood pressure.
繼續閱讀High blood pressure and pregnancy: Know the facts
Concerned about high blood pressure during pregnancy? Find out what you can do to reduce…
繼續閱讀High blood pressure and sex: Overcome the challenges
High blood pressure may affect your sex life. Talking openly about your concerns with a…
繼續閱讀High blood pressure dangers: Hypertension's effects on your body
If blood pressure stays high, it can cause other health conditions. Find out more about…
繼續閱讀High blood pressure (hypertension)
Learn the symptoms and treatment of this condition — which raises the risk of heart…
繼續閱讀High blood pressure in children
Children can develop high blood pressure for the same reasons adults do — excess weight,…
繼續閱讀High blood protein
What does it mean if you have high blood proteins? Learn about the role proteins…
繼續閱讀High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of…
繼續閱讀High-dose flu vaccines: How are they different from other flu vaccines?
Some vaccines are recommended for people who have a weaker immune response to the standard…
繼續閱讀High-dose vitamin C: Can it kill cancer cells?
High-dose vitamin C has been touted by some as an effective alternative cancer treatment.
繼續閱讀High hemoglobin count
A high level of hemoglobin in the blood usually occurs when the body needs more…
繼續閱讀High potassium (hyperkalemia)
What does it mean to have high potassium? Learn about the role potassium plays in…
繼續閱讀High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
繼續閱讀High-risk pregnancy: Know what to expect
Find out what to expect during a high-risk pregnancy and learn steps you can take…
繼續閱讀High white blood cell count
Learn the causes of this increase in disease-fighting cells in the blood.
繼續閱讀Hilar cholangiocarcinoma
Learn about how this type of bile duct cancer is diagnosed and treated.
繼續閱讀Hip dysplasia
In infancy, this condition often can be corrected with a soft brace. Older children and…
繼續閱讀Hip fracture
The risk of breaking a hip increases with age. Learn about lifestyle changes that can…
繼續閱讀Hip labral tear
Sports such as soccer, football and golf can increase your risk of damaging the ring…
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