Nutrition basics
Learning Center
ADHD diet: Do food additives cause hyperactivity?
Better research is needed to find out if limiting certain foods or food additives will help reduce hyperactivity and ADHD symptoms.
Alkaline water: Better than plain water?
Health claims about alkaline water abound, but plain water is usually best.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
Autism spectrum disorder treatment: Can special diets help?
There's no evidence that restrictive diets are an effective treatment for autism spectrum disorder.
Autism treatment: Can chelation therapy help?
Chelation therapy is not an effective autism treatment, and it may be dangerous.
Baby teeth: When do children start losing them?
Losing baby teeth is a major childhood milestone. Find out what to expect.
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.
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.
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
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).
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