Depending on usage the biggest long term effect is long and short term memory loss, heart problems, serotonin deformation, etc.
I recommend erowid.com
Long term effects , memory loss
Long term effects:Depression.Drowsiness.Muscle aches.Loss of appetite.Insomnia.Loss of concentration.Irritability.
some short term effects of ecstasy may include confusion, short term memory loss, mild to severe depression, mood swings and user may feel physically tired or burnt.
I'm pretty sure you get holes in your brain.
It may not be common, but it certainly happens. Ecstasy is a very unpredictable drug.
Ecstasy use has been associated with cognitive deficits, particularly in memory and other cognitive functions. Studies suggest that heavy or long-term use of Ecstasy may lead to long-lasting cognitive impairments in some individuals. However, further research is needed to fully understand the effects of Ecstasy on intelligence scores.
Putting this question on answers.com
Matters how much you take and how often it will effect by short term memory and will mess up your sarotonin levels making you feel depressed
Sometimes death. Pretty long term!
J
long term effects can be mental retardation or also can have cerebral palsy
long term effects can be mental retardation or also can have cerebral palsy