Nutritional supplements
Learning Center
Calcium supplements: When should they be taken?
Timing matters when taking these supplements. Learn how to take them.
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 conditions, the places where people live and work, and racism can affect who becomes seriously ill with COVID-19.
CBD: Safe and effective?
Interested in using CBD? Here's what you need to know about the risks and benefits of using this drug.
Baby teeth: When do children start losing them?
Losing baby teeth is a big childhood event. Find out what to expect.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
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