Thursday October 18, 2018

An hour-long nap after Lunch may help older Adults to preserve their Memories: Study

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An old person , Pixabay
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New York, Jan 6, 2017: An hour-long nap after lunch may help older adults to preserve their memories, improve their ability to think clearly as well as to make decisions, a study has found.

Sleep plays a key role in helping older adults maintain their healthy mental function, necessary for people as they age, the researchers said.

In the study, led by Junxin Li from the University of Pennsylvania, Philadelphia, the team examined nearly 3,000 Chinese adults aged 65 and older to learn whether taking an afternoon nap had any effect on their mental health.

The researchers found that nearly 60 per cent of the people took an afternoon nap after lunch.

Their nap time was between about 30 minutes to more than 90 minutes, with most people taking naps lasting about 63 minutes.

The results showed that people who took an hour-long nap after lunch had better health condition compared to people who did not take a nap — neither shorter nor longer.

Conversely, those who took no naps at all had four-to-six times more decrease in their mental ability.

In addition, people who did not take a nap at all, and those who took shorter or longer naps, experienced about the same decline in their mental abilities that a five-year increase in age would be expected to cause, Li stated.

The study was published in the Journal of the American Geriatrics Society. (IANS)

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Exercising Too Little Puts Your Health At Risk: WHO

In wealthier countries, the researchers said, a transition toward more sedentary jobs as well as sedentary forms of recreation and transport could explain higher levels of inactivity.

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People gather for physical exercise in Nantes, France. VOA

More than a quarter of the world’s adults — 1.4 billion people — exercise too little, putting them at higher risk of cardiovascular disease, type 2 diabetes, dementia and cancers, according to a World Health Organization-led study.

In 2016, around one in three women and one in four men worldwide were not reaching the recommended levels of physical activity to stay healthy — at least 150 minutes of moderate exercise or 75 minutes of vigorous exercise a week.

There has been no improvement in global levels of physical activity since 2001, according to the study, which was conducted by WHO researchers and published Tuesday in The Lancet Global Health.

The highest rates of lack of exercise in 2016 were in adults in Kuwait, American Samoa, Saudi Arabia and Iraq, where more than half of all adults were not active enough to protect their health.

Exercise
Inactivity Puts Quarter of Adults’ Health at Risk, WHO Says. Pixabay

By comparison, around 40 percent of adults in the United States, 36 percent in Britain and 14 percent in China did too little exercise to stay healthy.

“Unlike other major global health risks, levels of insufficient physical activity are not falling worldwide, on average, and over a quarter of all adults are not reaching the recommended levels of physical activity for good health,” said Regina Guthold of the WHO, who co-led the research.

Noncommunicable diseases

The WHO says insufficient physical activity is one of the leading risk factors for premature death worldwide. It raises the risk of noncommunicable diseases such as cardiovascular disease, cancer and diabetes.

By becoming more active, it says, people can easily achieve benefits such as improve muscular and cardiorespiratory fitness, better bone health, weight control and reduced risk of hypertension, heart disease, stroke, diabetes, depression and various types of cancer.

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Heart patients should focus on exercise than weight loss. Pixabay

The study found that levels of low physical activity were more than twice as great in high-income countries compared with poorer nations, and had increased by 5.0 percent in richer countries from 2001 to 2016.

Also Read: Eating in 10-hour Window May Boost Health

In wealthier countries, the researchers said, a transition toward more sedentary jobs as well as sedentary forms of recreation and transport could explain higher levels of inactivity. In less well-off countries, people tend to be more active at work and for transport, they said.

They urged governments to take note of these changes and put in place infrastructures that promote walking and cycling for transport and active sports and recreation. (VOA)