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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.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health problems, the places where people live and work, and racism can affect who becomes severely ill with COVID-19.
Breast implants and cancer: Any connection?
Concerned about a link between breast implants and cancer? Get the facts.
Bladder outlet obstruction: Causes in men?
Find out more about the causes of male bladder outlet obstruction and possible next steps.
Bladder infection in men
Although women are more likely to get bladder infections, men can get them, too. Learn about signs and symptoms and what could put you at risk.
Baby teeth: When do children start losing them?
Losing baby teeth is a major childhood milestone. Find out what to expect.
Autism treatment: Can chelation therapy help?
Chelation therapy is not an effective autism treatment, and it may be dangerous.
Autism spectrum disorder treatment: Can special diets help?
There's no evidence that restrictive diets are an effective treatment for autism spectrum disorder.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
Alzheimer's: Can a head injury increase my risk?
Some research indicates a link between head injuries and Alzheimer's disease. So what's your risk?
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