Think positive about the future to save memory from deterioration

  • AFP, New York
  • Updated: Jun 21, 2016 14:05 IST
The number of people living with cognitive impairment and dementia is expected to increase from 5.1 million in 2015 to 13.8 million by 2050. (Shutterstock)

Being optimistic about the future can help you safeguard your memory, problem solving and judgment skills from deterioration, finds a new American research.

Optimism has previously been linked to partaking in positive health behaviours, such as exercising and eating healthier diets, and a lower risk of various health conditions including stroke and heart attacks.

However this new research, by the University of Michigan, is believed to be the first study to look at the relationship between optimism and cognitive health in adults ages 65 and older.

Read: Love your brain: Improve your memory with these 10 easy tips

With the number of people living with cognitive impairment and dementia expected to increase from 5.1 million in 2015 to 13.8 million by 2050, and the costs of dementia expected to surge from 226 million in 2015 to 1.1 trillion in 2050 the team believed it was an area that warranted further research.

Using data from the Health and Retirement Study, a national survey funded by the National Institute on Aging and conducted at the University’s Institute for Social Research, the researchers looked at 4,624 participants aged 65 and over during a four-year period.

The higher the level of optimism in people, the lower is their chance of cognitive decline, find researchers. (Shutterstock)

During the study 502 of the participants developed cognitive impairment, a condition whose symptoms include decreased memory, difficulty solving problems and making good decisions.

The team, however, found that after taking into account various health behaviours, biological factors, and psychological variables, that the higher the level of optimism reported by participants, the lower their chances of developing the condition.

Read: Want good memory all your life? Exercise regularly in middle age

And for those who might not be feeling particularly optimistic, the team commented that previous randomized controlled trial studies have shown that feelings of optimism can be increased, with even simple exercises such as writing about one’s “best possible self” shown to increase optimism, with one of the study’s authors commenting that, “Therefore, optimism may be a novel and promising target for prevention and intervention strategies aimed at improving cognitive health.”

The findings are published online in the journal Psychosomatic Medicine.

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