It floods the brain with a such a surge of energy and euphoria that people easily succumb to its wiles. Cocaine takes a toll on the body. Sniffing it through the nose can cause the partition between the two nostrils to cave in. Blood pressure rises while on a cocaine high. The heart can beat erratically and rapidly.
Cocaine can constrict heart arteries so profoundly that no blood gets to the heart muscle.
That's a heart attack. Cocaine can cause seizures. It has been linked to strokes. I'm sure you have read of the cocaine-related deaths of prominent people. Without becoming preachy, I can tell you that cocaine, in any form, is not an innocent diversion.