Laugh out loud
Published Dec 1, 2013 · Martin Rowson
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Abstract
A hearty laugh causes the lining of blood vessel walls called endothelium to relax, increasing blood flow for up to 45 minutes after a laugh attack. When laughter is shared, it binds people together and increases happiness and intimacy. In addition to the domino effect of joy and amusement, laughter also triggers healthy physical changes in the body. Humor and laughter strengthen your immune system, boost your energy, diminish pain, and protect you from the damaging effects of stress. Best of all, this priceless medicine is fun, free, and easy to use.
Study Snapshot
Key takeawayLaughter increases blood flow, boosts energy, diminishes pain, and protects against stress, making it a fun, free, and easy way to boost happiness and well-being.
PopulationOlder adults (50-71 years)
Sample size24
MethodsObservational
OutcomesBody Mass Index projections
ResultsSocial networks mitigate obesity in older groups.