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.

Question

Quizplus · Accepted Answer

Research suggests that combining a healthy diet with regular physical activity can reduce oxidative stress and prolong life span, without the need for Calorie restriction. Option A suggests a specific frequency and intensity that is not supported by current research. Option C is not accurate as genetics alone cannot determine life span, and poor lifestyle choices can still have negative effects. Option D is also not supported, as regular exercise actually has been shown to reduce the risk of osteoporosis and fractures.

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