B.
Step-by-step explanation:
Sedentary life style is no good for any group of people. Especially people of age or ones with certain diseases. Exercising regularly or performing any kind of physical activity has numerous benefits. Not only it helps with maintaining a good figure, it has many health benefits. Let’s not forget how it keeps us organized and cheerful.
Along with healthy sleeping pattern and good nutrition, physical activity is the key to the long and happy life.