Absinthe

Absinthe was a common drink during Van Goghs time.

Many say he was addicted to it, that it is the reason in part

for his fits of anger, and that it caused him to see yellow.

Read the links below for indepth information.

http://en.wikipedia.org/wiki/Absinthe

http://www.absinthebuyersguide.com/history.html

http://www.oxygenee.com/absinthe-faq/faq3.html

http://www.wormwoodsociety.org/

http://www.erowid.org/chemicals/absinthe/absinthe_timeline.php

http://crossculturedtraveler.com/Archives/FEB2004/Absinthe.htm