Teen health
Learning Center
Caffeine and depression: Is there a link?
Caffeine and depression are not directly linked, but there can be an indirect connection.
Caffeine: How does it affect blood pressure?
Caffeine can temporarily increase blood pressure, but its long-term effects on blood pressure are unclear.
Calcium supplements: A risk factor for heart attack?
Learn about the possible link between calcium supplements and heart attacks.
Can music help someone with Alzheimer's?
A Mayo Clinic specialist discusses the possible benefits of music for people with Alzheimer's disease.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Cancer
Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.
Cancer causes: Popular myths about the causes of cancer
Get the facts and find out why these popular myths about cancer causes are wrong.
Cataract surgery
Cataract surgery — Overview covers risks, complications, results of this eye surgery.
Cataract surgery: When is the laser method a good idea?
Laser-assisted cataract surgery is an advanced approach used to help people with astigmatism.
Cataracts
Are things starting to look fuzzy or blurry? Find out about symptoms, diagnosis and treatment for this common eye condition.
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