Syncope, a rare disease caused by lack of blood flow to the brain, is rare within adulthood and puberty. Syncope is caused by smoking too much (or overdosing). Some
side effects are swooning, (fainting), sinus headaches, and sleepiness. Causes are any illegal or commonly used drugs, such as marijuana, crack/cocaine, oxycontin, GHB,
meth, meperidine,and amphetamine. There is no yet cure of Syncope, but it is highly dangerous within the teenage years.
(no yet example for syncope)