Lately, Dave has been experiencing depression, probably caused by the fact that his hair is thinning, he feels more forgetful, and he increasingly needs to use reading glasses. Despite these signs of aging, Dave wants to be a hands-on grandfather to his new grandchild. Which actions would BEST help Dave achieve this goal? A :
Dave should have his hearing and vision checked periodically, as these senses decrease with age.

B :
Dave should exercise regularly, which will increase his heart rate and muscle strength.

C :
Dave should eat a highly restrictive diet, which will decrease belly fat.

D :
Dave should routinely visit his physician for early detection of any possible complications.