Also modern living often means little physical activity. We don't get enough exercise because we use cars and other mechanisms to make our lives easier. At the same time we often forget that we were born to move — run, jump and walk, but not to watch television for many hours or to sit in front of the computer monitor. Not having enough physical activity can easily turn us into weak legless human beings with lots of health problems.

3. Also modern living often means little physical activity. We don't get enough exercise because we use cars and other mechanisms to make our lives easier. At the same time we often forget that we were born to move — run, jump and walk, but not to watch television for many hours or to sit in front of the computer monitor. Not having enough physical activity can easily turn us into weak legless human beings with lots of health problems.