Laughter relieves stress, and maybe helps memory
Stress can raise levels of the hormone cortisol, and cortisol has been shown to affect memory and learning ability among older adults. Laughter and humor are ways to relieve stress. A presentation at the Experimental Biology annual meeting reported that a group of healthy people, average age 70 years, and another group with diabetes, average age 67 years, watched a 20-minute humorous video.
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