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.
Marijuana is a harmful substance because it has 421 chemicals. Marijuana is stronger than it was 10 years ago, and this new, potent marijuana presents dangers unrecognized years ago. Marijuana is far worse for the lungs than tobacco. Marijuana causes damage to the reproductive system. The psychoactive chemicals in marijuana are fat soluble and stay in the human body for a month, increasing the danger of exposure. Marijuana causes brain damage and a behavioral disorder known as amotivational syndrome.