How important is it to have my DNA tested before I start a diet?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
While DNA testing is available and relatively affordable, you don't necessarily have to take a DNA test to determine your best diet. "There are numerous signs," says Keri Glassman, a registered dietician. "Physical measures -- the things you see in the mirror, clinical measures -- simple tests you get at a yearly checkup, and also symptomatic measures, ways you're feeling physically or emotionally."
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.