Consumer health basics
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Bee sting
Learn more about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Arteriosclerosis / atherosclerosis
Learn about the symptoms, causes and treatment for hardening of the arteries.
Anaphylaxis: First aid
How to recognize and provide first aid for anaphylaxis.
Alpha-gal syndrome
An allergic reaction to meat-based meals had researchers stumped — until they connected the condition to bites from certain ticks.
Allergy medications: Know your options
Learn more about allergy medications. Find out what they do and how they can help your symptoms.
Allergies
Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help.
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