Ecstasy drug also known as MDMA or 3,4-Methyl enedioxy methamphetamine is a psychoactive drug.
The drug is taken to alleviate the level of energy and pleasure which are caused by increasing the activity of other neurotransmitters like dopamine and serotonin.
In the given question, since the Sarah is full of energy and behaves in an optimistically manner therefore she has most probably taken the ecstasy drug.
Tùy vào mục tiêu của bạn muốn tăng cân hay giảm cân, Tôi khuyên bạn nên ăn bữa ăn có đủ các chất dinh dưỡng như tinh bột, chất đạm, chất xơ, chất béo tốt,các vitamin khoáng chất cần thiết.