All doctors worth their medicinal salts prescribe exercise as an essential part of healthy lifestyle habits for all their patients. But do they really know who benefits most from exercise? Just as importantly, do they know how much exercise is too much?
Until now, though, no studies have looked specifically at which groups of patients are most likely to benefit most. A new, large, cohort study suggests that it is CVD patients. They compared the effects of exercise on the risk of death in a cohort of healthy participants and a cohort of participants with pre-existing CVD. Data show that individuals with cardiovascular disease benefit more from exercise than healthy individuals. The data also show that the more that heart patients exercise, the better.
However, while more can be better for heart patients, like all the good things in life, too much can be bad. Exercise is no exception.Overdoing it causes what he calls “sympathetic overdrive”, medical speak for too much adrenaline and not enough counterbalancingThis causes what doctors call the “fight or flight” response reflex that can lead to worsening of cardiac function and an increase in blood pressure .
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