Dr. Carl Hart's Research Cited: MSN

February 24, 2015
Blurb
Meth can also make it more difficult to sleep, which can lead to medical problems, including increased risk of heart disease, cognitive deficits, and mood swings.Variousstudies also found a link between meth use and cognitive impairments. In extreme cases, meth can lead to paranoia mimicking full-blown psychosis, according to a review of the research led by Carl Hart, a drug expert at Columbia University.
 Read more:  http://www.msn.com/en-us/health/other/the-risks-of-alcohol-marijuana-and-other-drugs-explained/ar-BBhXwRf