Answer:
B
Step-by-step explanation:
To reduce the risk of diabetes and protect his joints, Doug should:
B. Maintaining a healthy weight
Maintaining a healthy weight through proper diet and exercise is a key factor in reducing the risk of diabetes and relieving stress on the joints. The other options listed (getting less sleep, cutting down on exercise, and using recreational drugs in moderation) are not conducive to achieving these health goals and may even be counterproductive.