What are some facts about the dangers of heroin?
Heroin is an opiate that affects brain receptors causing euphoric and sedative effects. The effect lasts for four to five hours. Consistent use of heroin causes people to develop tolerance, so they increase intake amount to feel the effect. Former heroin addicts are at a higher risk of relapsing because of factors such as psychological stress, depression, interpersonal issues and poor coping techniques, states MedicineNet.
Sources: webmd.com, medicinenet.com, webmd.com