Nelson Vergel
Founder, ExcelMale.com
For the current study, the researchers analyzed the results of 305 randomized controlled trials involving 339,274 individuals and found no statistically detectable differences between exercise and drug interventions for secondary prevention of heart disease and prevention of diabetes.
Among stroke patients, exercise was more effective than drug treatment, while in congestive heart failure diuretic drugs were more effective than all other types of treatment, including exercise.
The authors point out that the amount of trial evidence on the mortality benefits of exercise is considerably smaller than that on the benefits of drugs, and this may have had an impact on their results. Of the nearly 340,000 cases analyzed, only 15,000 patients had had exercise-based interventions.
The researchers argue in the paper that this “blind spot” in available scientific evidence “prevents prescribers and their patients from understanding the clinical circumstances where drugs might provide only modest improvement but exercise could yield more profound or sustainable gains in health.”
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