The study found the heroin, Crake cocaine and meth were the most harmful drugs to individuals, while alcohol, herion, Crake cociane and cannabis were the most harmful to others...... Overalla alcohol Were the most harmful  followed by Herion, crake cociane, meth and tobacco .....

 

 

 

 

Man Smoking Cannabis

 

Most Dangerous Drug

 

 

 

Meth ........

 

 

The Graps For Harm to others & Drugs users ...