What Does Research Suggest About Regular Physical Activity's Effect on the Life

Multiple Choice

What does research suggest about regular physical activity's effect on the life span?

A) To prolong life span, physical activity must be performed at least four times a week in sessions lasting at least 45 minutes, at a high intensity.
B) Consuming a healthful diet while engaging in regular physical activity can reduce oxidative stress without the need for Calorie restriction.
C) People genetically predisposed toward a lean body type live longer even if they eat poorly and fail to engage in regular physical activity.
D) Exercise increases the risks for osteoporosis and fractures, reducing life span.