CnN published an Article on Aug. 23 titled "Research Shows How Sitting 8 Hours a Day Increases Your Risk of Stroke, by Megan Maples. The full text is excerpted below:
A new study found that adults under the age of 60 who sat most of the day had a higher risk of stroke compared to those who spent more time physically active.
According to the study, published in the bimonthly journal Stroke, those who sat for 8 hours or more a day and were not physically active had a 7-fold higher risk of stroke than those who were sedentary for less than 4 hours a day and exercised for at least 10 minutes a day.
The researchers analyzed health information from 143,000 adults including from the Canadian Community Health Survey. The scientists followed the participants for an average of 9.4 years, all ages 40 and older, with no previous history of stroke.
Lead author of the report, Laidd Judi, a clinical scholar at McMaster University in Ontario, Canada, said: "It is believed that sedentary time can impair glucose, lipid metabolism and blood flow, and increase inflammation in the body. Over time, these changes can adversely affect blood vessels and increase the risk of heart disease and stroke. ”
Of the 2965 strokes that occurred during the study period, 90% were ischemic strokes. Jones day, Jones said, such strokes occur when one of the arteries that supply blood to the brain is blocked.
Jondi also said that if the stroke is not treated quickly, the brain cells in that area may die from lack of oxygen.
Johns Hopkins Medical School professor Kerry Stewart said there are many signs of stroke. Stewart was not involved in the study.
Common symptoms include feeling weak in the arms, legs or face, he said, especially when the sensation appears only on one side of the body.
Stewart said slurred speech, difficulty seeing and hearing were other signs of a possible stroke.
He notes that if you suddenly have a severe headache that has nothing to do with any other health problems you know, it could also be a symptom of a stroke.
Stewart says increasing the amount of time spent physically active while reducing sedentary time can help reduce the risk of stroke.
He pointed out that people can start by standing more and sitting less, and make small changes to their daily lives, such as climbing stairs instead of taking the elevator.
According to the American Heart Association, adults should engage in at least 150 minutes of moderate-intensity physical activity per week. Jonesy says the ideal time for this workout is more than 10 minutes each time.
"When you're doing exercise that's enough to raise your heart rate and sweat — like brisk walking or cycling — then that activity is considered moderate-intensity," he says. ”
Previous studies have shown ten potentially modifiable risk factors associated with 90 percent of strokes — including alcohol consumption — so that "in theory, if all of these risk factors were eliminated in the population, then 90 percent of strokes could be avoided," Jondi said.
To reduce the risk of stroke, Joandi advises people to focus not only on reducing sedentary leisure time.
"Increasing physical activity is just one important part of reducing the risk of stroke, along with nutritious diets, smoking cessation and diagnosing and treating health problems like high blood pressure and diabetes," he said. ”
Source: Reference News Network
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