Discuss four ways to keep your nervous system healthy

- try some gum that makes you stop for awhile, and hide all of your drinks, it's best off without them anyways.

- try to reason with them, and come to an understanding in some

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.