Heroin's purity is uncertain, increasing the risk of OVERDOSE.

HEROIN USERS PUT THEMSELVES AT RISK FOR CONTRACTING HIV, AIDS, HEPATITIS B AND C, RESPIRATORY FAILURE AND HEART ATTACKS.

Side effects include constricted pupils, reduced appetite, constipation, low body temperature, itching, sweating and stupor.At higher doses, your breathing, heart rate and blood pressure decrease.

Heroin AKA:They call it JuNk, Horse, SMACK, H, Powder, White Stuff, Sugar, Dope, Scag, BLACK TAR,, China White.