The Best Time of Day to Drink Coffee, According to Science

There’s substantial scientific evidence that coffee is incredibly good for your health and extends your life. According to a meta-analysis of 127 studies, drinking coffee:

-reduces your risk of cancer up to 20 percent;
-reduces your risk of heart disease by 5 percent;
-reduces your risk of Type 2 diabetes by 30 percent; and
-reduces your risk of Parkinson’s disease by 30 percent.

Coffee accomplishes this by flooding your body with natural antioxidants, repairing your DNA, calming stress-related inflammation, and improving the efficiency of the enzymes that regulate insulin and glucose. Not surprisingly, coffee drinkers, on average, live longer than those who don’t drink coffee.
By contrast, if you drink coffee when your cortisol levels are low, it smooths out your mood and energy level so that you can get more done without getting the jitters. The average person (i.e., somebody who rises at or around 6:30 a.m.), cortisol levels peak at:

8 to 9 a.m.,
noon to 1 p.m., and
5:30 to 6:30 p.m

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