The answer would be The World Health Organisation
One reason is because it really only takes one time to use something to get you addicted
2nd reason is that you could use the heroin incorrectly and possibly give yourself a deadly amount and easily overdose on it
Answer:
When plaque (fatty deposits) clogs your arteries, that's called atherosclerosis. These deposits are made up of cholesterol, fatty substances, cellular waste products, calcium and fibrin (a clotting material in the blood). As plaque builds up, the wall of the blood vessel thickens.
Explanation: