Previous psychoneuroimmunology research has shown evidence that laughter improves immunity. The present study was done to see how laughter changes stress and natural killer cell (NK) levels. Low NK levels are associated with increased morbidity in cancer and HIV disease. Laughter may reduce production of cortisol and increase the production of beta-endorphins to improve immunity. […]
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Regular Store Hours
9am-9pm Every Day
Senior & High-Risk Only: 9am-10am
(415) 863-0620
1745 Folsom St
Shop from Home with

