According to WebMD, Mkpuru mmiri (crystal meth) , can cause a spike in a person’s body temperature that they could pass out or even die. The substance can also lead to anxiety, confusion, insomnia, mood swings, and violent behaviour from the user. A user’s looks can change dramatically; from ageing quickly, to dull skin. They can also develop hard-to-heal sores and pimples and may have a dry mouth and stained, broken, or rotting teeth. A person addicted to mkpuru mmiri may also become paranoid a