Nutritional supplements
Learning Center
Diabetes: How do I help protect my liver?
How to care for your liver if you have diabetes.
Depression and anxiety: Can I have both?
Depression and anxiety commonly occur together and have similar treatments: counseling (psychotherapy) or medication, such as antidepressants, or both.
Child growth: Can you predict adult height?
Concerned about your child's growth? Find out how you can estimate your child's adult height.
Car sickness in children: Can I prevent it?
Carefully planned pre-trip meals, air ventilation and distractions might help prevent car sickness in children.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
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.
Bladder outlet obstruction: Causes in men?
Find out more about the causes of male bladder outlet obstruction and possible next steps.
Bipolar disorder and alcoholism: Are they related?
These disorders often occur together, and they can be a dangerous mix. Having both conditions makes mood swings, depression, violence and suicide more likely.
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