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According to the 2008 Physical Activity Guidelines, how many minutes of moderate-intensity exercise are recommended weekly?

  1. 120 minutes

  2. 150 minutes

  3. 180 minutes

  4. 200 minutes

The correct answer is: 150 minutes

The recommendation of 150 minutes of moderate-intensity exercise weekly, as outlined in the 2008 Physical Activity Guidelines, is based on extensive research demonstrating the health benefits associated with regular physical activity. Engaging in at least 150 minutes of such exercise helps to improve cardiovascular health, manage weight, and enhance overall physical and mental well-being. This guideline reflects a balance between promoting physical fitness and ensuring that individuals can realistically incorporate exercise into their lifestyles. While higher amounts of exercise can provide additional benefits, the 150 minutes threshold is aimed at achieving significant health improvements while being attainable for most individuals. The other options suggest a greater volume of activity, which, although beneficial, could be less feasible for some, making 150 minutes the practical target for health guidelines.