A healthy person who exercise's regularly
B, because you can see when is the best time to work
The link between the two is that they both can cause headaches and sores from the body. Since anxiety affects the body mentally it can also affect it physically too.
Answer:
The big thing is that, in countries with high life expectancy, their old people are more likely to feel engaged. This can be a cultural difference, or it can be geographical; old people are more likely to do things if they can physically get around.
hope it helps