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Moderate intensity aerobics exercise is recommened for overall health and vitality and to prevent non-communicable diseases such as heart disease and strokes.

More vigorous and prolonged aerobics exercise may be necessary for those who need to lose weight keep it off.

Researchers wanted to evaluate the effects of  different intensities of aerobics exercise on the elderly, with mild cognitive impairment.

According to the result of study the different intensities of aerobics had no effect on the elderly.

The randomized study involved 48 patients in residential homes for the elderly.

They were placed in one of three groups:
1-Performed aerobics exercise at 40% heart rate reserve
2-Performed aerobic exercise at 60% heart rate reserve
3-Performed recreational activities.

Their functional ability and cognitive level were assessed:
1-Before the intervention
2-At the end the study (3 months)
3-Three months later

On completion of the study, all patients in the aerobics training improved marginally.

There were no differences regarding cognitive level and functional ability among those in the aerobics training program and those who performed recreational activites.

The study was published in the Clinical Rehabilitation in May, 2012.