which of the following is not positively influenced by physical activity? a. cardiovascular disease b…

Brief Explanations:

Physical activity helps in reducing the risk of cardiovascular disease by improving heart - lung function, reduces obesity by burning calories, and helps in osteoporosis by increasing bone density. However, it has no direct positive influence on allergies as allergies are immune - system mediated reactions to allergens and not related to physical activity levels.

Answer:

D. allergies