We all know that too much stress can negatively affect our body. It mainly affects respiration, blood pressure, immune system and sleep. A recent study, reported in Medical News Today suggests that stress may worsen allergies, while other studies indicated that it makes brain more susceptible to mental illness. Past research have also shown that stress increases production of Cortisol- a hormone that causes damage to neurons in the brain.
The research team lead by Dr. Gurinder Singh Bains analyzed the effect of 20 minutes of a humorous video among 3 different groups of elderly individuals. One group had subjects who had diabetes and the other two were healthy. One healthy group and the group who had diabetes were required to view a 20 minute of humorous video. A memory test was done that measured their visual recognition, learning ability and memory recall. Cortisol level of all participants was also recorded before the experiment.
The investigators found that the groups that watched the funny video demonstrated greater improvement in memory recall, learning ability and sight recognition, compared to those who didn't watch the video. The diabetic group showed the greatest improvement in cortisol level and memory test score.
The study co-auther Dr. Lee Burk says that these findings suggests that the less stress a person has, the better their memory performance will be. The act of laughter increases endorphins and dopamine in the brain which provides a sense of pleasure and reward.
References and More information can be found at : newswise.com
Posted by: Kamaldeep Kainth, PharmD Candidate 2015
Edited by Sam Shimomura, PharmD