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Minerals

Minerals have many important roles in the structure and function of the body. The body needs minerals to build and maintain healthy teeth and bones, carry nerve signals to and from the brain, carry oxygen to the cells, regulate blood sugar levels, and maintain a healthy immune system.

A total of 60 minerals have been discovered in the body, and 22 are essential to health. Minerals include calcium, sodium, and iron. Eating a variety of foods is the healthiest way for a body to receive all the minerals it needs.

Decision Points

Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.

You'll find Decision Points to help you answer questions about:

Interactive Tools

Get started learning more about your health!

Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.

Symptom Checker

Feeling under the weather?

Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.