Louis Theroux’s ‘Dark States – Heroin Town’ documentary offered an insight into how prescription drug addiction can swiftly spiral out of control, with an alarming number residents from Huntington, West Virginia, eventually turning to heroin.

http://www.huffingtonpost.co.uk/entry/signs-of-prescription-drug-addiction-and-how-to-get-help_uk_59db8449e4b072637c457cf3