Ping is experiencing increased heart rate and lack of appetite he is seeing things that are not there and is sweating more than usual what u legal drug is ping most likely abusing

ANSWER:

The drug being abused is LSD or "Lysergic Acid Diethylamide". LSD is one of the most used chemicals or drugs that bring about mood swings.

EXPLANATION:

LSD is basically a synthetic chemical that is made from a fungus. The drug when taken in small doses brings about a change in perception and mood. Larger doses of LSD cause hallucinations and may even result in "increased heart rate" and increased body temperature.  

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.