Answer:
D
Explanation:
In straightforward terms, lack of sleep stifles resistant framework work. Or then again, as Balachandran puts it, The more sleep you lose, the almost certain you are to diminish your body's capacity to react to colds or bacterial contaminations.
exercising once a day for 30 minutes keeps your body healthy and fit. so when you are getting older and ready for retirement, you can still enjoy vacations and outdoor activities that require the use of your muscles.
It prevented the spread of disease
