9. Blood Sugar (YEARLY)
WHAT IT MEASURES: The amount of glucose coursing through your bloodstream.
WHY IT’S KEY: It reveals your risk for diabetes, heart attack, and stroke. Glucose, your body’s main source of fuel, is regulated by the hormone insulin. When blood sugar levels are too high, your body stores the excess glucose as fat, which causes weight gain. To get it under control, back off on processed food, simple carbs such as white bread and pasta, and sugar, Blatner says. Exercise also helps. And research shows consuming cinnamon may regulate blood sugar levels, too.
AIM FOR: 70–99 milligrams per deciliter; 100–125mg/dL is prediabetic.
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