Don’t sweat that morning cup of joe
Drinking as many as three 8-ounce cups a day has proven health benefits. But skip it if you have high blood pressure, an overactive thyroid, or suffer from anxiety, says Loren Wissner Greene, MD, a professor at the New York University School of Medicine.
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Perk No. 2: It boosts your brainpower.
Java keeps you juiced when you’re sleep-deprived, but a cup before a test can also sharpen memory and keep you alert.
If it makes you too jittery, mix regular with decaf, or drink it with breakfast. Just avoid caffeine for at least four hours before bedtime.