Check out the December 2021 issue of NIH News in Health, the monthly newsletter bringing you practical health news and tips basedon the latest NIH research. Download a PDF version for printing.

Do You Need Dietary Supplements?

Vitamins, Minerals, and More

Learn what dietary supplements can and can't do for your health.

Online extra:Taking Dietary Supplements Safely

Taking on Teeth Grinding and Clenching

Halt Dental Damage and Jaw Pain

Tired or sore jaw? Find tips to stop this daytime or nighttime condition that can lead to tooth and jaw problems.

• A Better Test for Kidney Disease
• Do Detox Diets and Cleanses Work?
• Vaccines.gov

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