Assertion: ecstasy's side effect | /r/HasProperty | noted by research and clinical trials
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text: The top adverse side effects, as noted by research and clinical trials, include: difficulty concentrating, jaw clenching, the constant grinding of teeth during sleep, a lack of appetite, dry mouth, severe thirst, cognitive impairment, severe depression, fatigue, impaired concentration, insomnia, aches and pains and residual feelings of empathy and emotional sensitivity.