The researchers recorded information on cardiovascular disease and death for several years, and also checked whether the participants followed physical activity guidelines as recommended by the World Health Organization. During the study it was found that of those who met the guidelines (1.07 lakh), 3.8% developed cardiovascular disease, compared to 5.1% of those (23,000) who did not. Risk of mortality was lower for people met the guidelines - 4.2%, compared to 6.4%.
The findings suggest that if the entire population met these guidelines, it would prevent 8% of deaths (1 in 12) and 4.6% (1 in 20) of cardiovascular disease cases. If the entire population was highly active - 750 minutes of physical activity a week - 1 in 8 deaths, and 1 in 10 cases of cardiovascular disease, could be prevented.
The study showed that by exercising for at least 30 minutes a day, the risk of death from any cause is reduced by 28%, while the risk of heart disease is reduced by 20%, regardless of the type of physical activity. The benefits increased with increase in physical activity. For instance, people getting more than 750 minutes of brisk walking per week had an even lesser risk of death. The researchers also stated that any activity is good for people to meet the current guideline of 150 minutes a week, to raise the heart rate. Even daily chores like washing clothes, mopping, gardening and cleaning can help in keeping the body active.
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