I find drug abuse has become a major threat to humanity. Being one of the causes of crime, causing disorder and security, degeneration of the race, human dignity, undermining of family happiness, affecting health and especially infectious diseases. transmission of HIV / AIDS in the community; Consequences and harms caused by drug addicts cause serious impacts on economic development, threatening the stability, prosperity and longevity of each nation and each ethnic group. what's your opinion 
The effects of drugs on the body can cause harm to the organ systems and may finally lead to their collapse. Some drugs, like heroin, have to be injected with intravenous needles. Continuous usage of this drug can affect the veins and leads to their collapse. it also triggers infections in the lining of the heart. Sharing of needles can increase the risk of contracting hepatitis and AIDS, which can result in death. Read more at Buzzle: https://www.buzzle.com/articles/effects-of-drugs-on-the-body.html