Answer:
For one teens get addicted mostly through peer-pressure and two the brain becomes confused with whats wrong and whats right once you start and can't quit.
You can use a brush to remove hard dirt and to clean it thoroughly. Produce like cauliflower, broccoli, or lettuce should be soaked in cold water for at least 1-2 minutes. Some produce, such as raspberries, should not be soaked in water. To wash greens, separate the leafs and soak them in a bowl of cold water for a few minutes. Do not wash the produce with soap or detergents. For produce with thick skin, use a vegetable brush to help wash away microbes. After washing the produce, dry with a clean paper towel, this can remove also more bacteria.
Lifting a weight 10 times is a kind of ISOTONIC contraction. Holding a heavy machine part steady while securing it in place may be categorized as ISOMETRIC contraction. Lifting heavy cans and putting them on a shelf may be called an ISOTONIC contraction. Flexing your leg muscles and holding the flex is an ISOMETRIC contraction. Lifting your heavy book bag several times is good ISOTONIC contraction.
For like heart rate and graphs that they have in health care to see the progress of there recovery and not everything can be done on a calculator