Crystal meth is a highly addictive dangerous stimulant that effects the user both mentally and physically. Physically, crystal meth affects almost every part of the users body, including the brain, heart, lungs, digestive system, liver, kidneys, and teeth.
Crystal meth use causes a rise in body temperature, increased heartbeat, and dilated pupils. Crystal meth use damages nerve cells leading to psychosis and paranoia, and many times audible and visual hallucinations. Blood clots can develop as crystal meth tends to constrict veins causing increased blood pressure and reduced blood flow. Many crystal meth users experience stomach and digestive issues such as cramping, diarrhea, constipation, and dehydration.
Poor oral hygiene is also a sign of crystal meth abuse. The stimulating effects cause users to grind and clench their teeth. Many users also experience dry mouth due to the high amounts of acid and decreased saliva production. The high amounts of acid can lead to gum disease, tooth decay and tooth loss (also known as "meth mouth").
Other physical effects of crystal meth use include, dilated pupils, an increase in body temperature, excessive sweating, acne and other body sores, and impotence in males. Users many times experience formication, a sensation that resembles that of insects crawling on, or under, skin. Crystal meth is a dangerous drug, excessive use can cause more severe physical effects such as muscle breakdown, kidney damage and failure, hyperthermia, cardiac arrest, stroke, brain damage and even death.