No, heroin is illegal.
This a drug that can lead to abuse and serious health problems. The health risks this drug can cause are the slowness of breathing and even death. Heroin is made up of morphine, which is a key component in opium. Opium is received from a opium poppy. This is why the drug is so addicting. Once you start using a drug like this, its hard to stop. So my suggestion is to not ever do drugs for your health and safety.