“ Claims that cannabis is harmless have been undermined by a new report which warns that the drug is becoming more powerful and can lead to severe long - term health damage, ” reports The Independent of London.
وتقول الپروفسورة هيذر آشتون من جامعة نيوكاسل في انكلترا :‏ « يؤثر القنَّب في كل جهاز تقريبا من اجهزة الجسم .‏