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Erowid Canvas Tote/Shopping Bag
This reusable "Ecobag" is made of 100% recycled mid-weight
(10 oz) cotton canvas, printed with the Erowid logo.
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Methylphenidate (Ritalin, Concerta)
Health
by Erowid
NOTES #
Because methylphenidate is a long acting stimulant, the primary health concerns associated with methylphenidate use related to cardiovascular problems. When used as a recreational stimulant over prescribed doses, the risks of serious or fatal cardiovascular health problems increase.

WARNINGS #
References #