Answers:
Smoking contains nicotine, which is a greatly powerful vasoconstrictor--meaning it cause your blood vessel to be smaller within diameter. This raise blood pressure, which damages the blood vessel and lead to plaque formation surrounded by your arteries. This within turn lead to heart attacks, strokes, and heart fiasco.
It also cause your heart to lick brisk for at least possible 20 minutes after you smoke respectively cigarette/cigar or chew tobacco. This make your heart work too frozen, and can organize to heart disease and heart disaster.
Smoke also contains tarmacadam, which cause lung defile and can get you enjoy to depend on oxygen to live surrounded by your subsequent years.
Drugs.depends on what drugs. I would enjoy to know which ones to make clear to you what they do.
They effect your strength BADLY, contained by certainty they can gun down you, and if you do them long satisfactory they WILL exterminate you.