Laughter and positive emotions can reduce negative effects of age-related changes in the brain.
Researchers Linda University found that humor and laughter can significantly reduce the negative effects of stress hormone.
Too much stress affects the body, brain and mood. With age, a number of health problems. Recent studies have shown that cortisol (the stress hormone) impairs certain areas of the brain and, thereby, negatively affects memory and learning ability of elderly people. Scientists Linda the studies found that laughter can significantly reduce the harm caused to stress, namely cortisol.
The researchers showed a 20-minute funny video to a group of elderly people, both healthy and with diabetes. Then conducted tests and compared the results with a control group of older people. The concentration of the stress hormone were measured at the beginning and end of the experiment. Revealed: a preview of the film reduced the concentration of cortisol. Besides, the funny videos had a positive impact on memory.
Study co-author Dr. Lee Berk said: "It's simple, the less stress the better memory. Humor reduces detrimental stress hormones, lowers blood pressure, increases blood flow and improves mood. Of laughter or just enjoying the humor increases the release of endorphins and dopamine in the brain that affect the feelings of pleasure and reward. These positive and beneficial neurochemical changes, in turn, make the immune system function better. There are even changes in brain waves. So laughter is not only good medicine, but also a memory booster".