Even very low levels of physical activity can lower risk of stroke: study

By Isobel Williams via SWNS

Even very low levels of physical activity can lower the risk of a stroke, according to a new study.

Researchers found that people whose physical activity levels fall short of recommended guidelines, but who manage to do some during their leisure time, are likely to have a lower risk of stroke than their sedentary peers.

While international guidelines recommend 150 minutes or more a week of moderate-intensity physical activity or 75 minutes or more of vigorous-intensity activity to lower the risk of cardiovascular disease the researchers note that not many adults achieve this.

To find out if lower levels of physical activity might still confer protection, the team analyzed the results of 15 studies involving 752,050 adults whose health had been monitored for an average of 10.5 years.

Each study assessed the potential impact of between none, below target, and ideal and none, insufficient, low, moderate and intense, levels of leisure time physical activity on stroke risk.

Results, published in the Journal of Neurology Neurosurgery & Psychiatry, showed that, compared with no physical activity, the highest ‘ideal’ amount cut the risk of stroke by 29 percent, but that some ‘below target’ activity still reduced the risk by 18 percent.

Compared with none, a moderate level of physical activity cut the risk of stroke by between 27 percent and 29 percent.

The authors suggest that everyone should be encouraged to do whatever level of physical activity they can manage in their leisure time.

Dr. Raffaele Ornello from the University of L’Aquila, Italy, said: “According to our results, all levels of [leisure time physical activity] can be beneficial for stroke prevention, including levels currently regarded as low or insufficient.

“People should be encouraged to be physically active even at the lowest levels.”