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The prospective clinical trials that have been performed assessing the health effects of various exercise regimens and the observational data are generally supportive of the health benefits conferred by a hunter-gatherer style of fitness regimen. A growing body of data indicates that many of the benefits of exercise accrue at relatively low to moderate levels of exercise.Continuous higher-level activity, such as jogging 32 km/week, was not found to be statistically better than walking 19 km/week for reducing features of the metabolic syndrome.On the other hand, a daily regimen of at least 45 minutes and possibly up to 90 minutes per day of cumulative physical activity is necessary for most overweight or obese individuals to achieve and maintain ideal body weight.The 10,000 steps per day concept emphasizes the importance of total daily energy expenditure. This fitness strategy generally involves walking at a modest pace intermittently throughout the day.Combined aerobic and resistive activity has been shown to be superior to either alone for improving glycemic control for individuals with type 2 diabetes.Intermittent intense activity results in more weight loss and better glucose metabolism than equivalent amounts of lower-intensity continuous activity.