Definition of drug abuse and drug addiction :
Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use.
It is considered a brain disease.
Drug abuse is a serious public health problem.
Each year drug abuse causes millions of serious illnesses or injuries.
Answer: 3rd stage/ Aids
In the 1st stage/ Acute HIV Infection, the virus attacks and destroys the infection-fighting CD4 cells of the immune system.
By the 3rd stage HIV has severely damaged the immune system.
<span>What was the motivating factor behind Theodore Roosevelts conservation ideas?
-</span>to preserve the health of mankind