The main threat posed by leading a sedentary lifestyle is that it increases your risk of putting on weight, and being overweight forces your heart to work harder to pump blood around your body, which can, in turn, raise your blood pressure, a precursor to having a heart attack.
In contrast to sitting down, being active and doing regular exercise will lower your blood pressure by keeping your heart and blood vessels in good condition, a key preventative measure.
While it is universally accepted that sitting down for too long can hike your risk of having a heart attack, a new study partly challenges the orthodoxy, suggesting that adopting particular sitting positions may in fact counter the harmful effects of sitting down.
A new study published in the journal Proceedings of the National Academy of Sciences, has found that resting postures used before the invention of chairs – such as squatting and kneeling – involve higher levels of muscle activity then chair-sitting.
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