Mental health
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Vitamin D deficiency
What are the risks of too little vitamin D?
Silicone breast implants: What happens if they rupture?
Understand the health effects of ruptured silicone breast implants.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Enlarged prostate: Does diet play a role?
Lifestyle factors such as diet appear to play a role in benign prostatic hyperplasia (BPH). See what lifestyle changes may help with symptoms.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
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.
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