So, if you have arthritis and a meniscus condition in your knee, you can only receive a rating for one of the two conditions, whichever gives the higher rating. So, if your arthritis gives a higher rating than the meniscus condition, then it is rated, and the other is ignored. Only one rating per joint.
Drugs are chemicals that can alter the way the body works. There are different types of drugs, and these have different effects on the body. Tobacco and alcohol are legal recreational drugs which have potentially serious effects on the body. Illegal drugs are classified on a scale from Class A - the most dangerous - to Class C - the least dangerous.
Pesticides Harmful Effects on Human Health. Pesticides are chemicals designed to eradicate and control a variety of pests, including rodents, weeds, fungi and insects that can damage crops or livestock. After WWII the first widely used pesticide was created, Dichloro-Diphenyl-Trichloroethane (DDT).