Consumer health basics
An allergic reaction to meat-based meals had researchers stumped — until they connected the condition to bites from certain ticks.
When medicines that ease headache pain are used too often, they can start causing headaches. Learn about prevention and treatment.
If you have a headache most days, you might have one of the most disabling headache conditions, chronic daily headaches. Aggressive treatment and long-term management might help.
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Find out about painful migraines that can last hours to days. Also can cause nausea and vomiting and reacting to light and sound.
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
Learn the symptoms and treatment of this condition — which raises the risk of heart attack and stroke — and the lifestyle changes that can lower the risk.
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