C)is your answer when you exercise your body produces a very harmful substance called lactic acid. Witch is why after you exercise you have to move around to loosen the concentration of lactic acid from one area.
Also a sedentary lifestyle will Kill you if you are not fit the build up of lactic acid will go to your heart and you will have a heart attack.
Hepatitis B is an infection of the liver caused by the hepatitis B virus (HBV) but may progress to liver fibrosis , cirrhosis and hepatocellular carcinoma.
True all the way! Clean Air Act. The Clean Air Act was major legislation passed to control air pollution in the United States. The Act was passed in 1963, but important and major amendments were added to the original Act in 1970 and 1990. ... The 1970 Clean Air Act forms the basis of the U.S. air pollution control policy. I'm happy it's turning our world into a better place! :)
A smoker that quits smoking is less likely to have a heart attack than if they continued to smoke. Their is less of a chance of blood clots in the heart.