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Adhering to an “exercise prescription” can result in a higher level of physical activity, but whether this outcome is sustained beyond 1 year of follow-up (and what its effects are on health-risk factors) is unknown. In a New Zealand study in the primary care clinic setting, investigators randomized 1089 physically inactive women (age range, 40–74) to exercise prescriptions (intervention group) or usual care (control group). For the intervention group, clinicians prescribed physical activity with the goal of 150 minutes of moderate exercise (such as brisk walking) weekly. Exercise facilitators provided telephone support for 3 months, and nurses provided 30-minute visits at 6 months and five additional telephone calls for 9 months. Women in …