Researchers, from the University of Otago in New Zealand, examined the effectiveness of exercise on prescription in 1,089 women, aged 40-74, who were moderately active.
After 12 months, they found that 43% of women who were prescribed exercise were achieving their target of 150 minutes a week compared with 30% in the control group.
At 24 months it was 39.3% and 32.9% respectively.
Physical functioning and mental health were also found to be better in the exercise groups.
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