Washington: Engaging in moderate physical activity up to two and a half hours a week does not increase the risk of developing knee osteoarthritis over a 6-year follow-up period in adults age 45 and older, a new study has revealed.Study participants who engaged in the highest levels of physical activity- up to 5 hours a week- did have a slightly higher risk of knee osteoarthritis, but the difference was not statistically significant.Joanne Jordan, MD, MPH, senior study author and director of the Thurston Arthritis Research Center in the University of North Carolina School of Medicine, said that moderate physical activities are those that produce some increase in heart rate or breathing, like rapid walkingBarbour said that meeting physical activity recommendations through these simple activities are a great way to reduce your risk of heart disease, stroke, high blood pressure, diabetes, and other diseases.
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