Answer:
b. is a factor associated with physical activity and heart disease
Step-by-step explanation:
the people who are physically in active are at high risk of CVD as compared to the people who are physically active. Due to busy office schedule and lack of physical inactivity specially in the developing countries, the ratio of CVD is high.
so the heart diseases are linked to the factor of physical activity and fitness. more active and fit people are at low risk of developing heart problems