Saiful Apek the famous comedian was arrested with 4 of his friends because of drug previous year. He was taken to Mahkamah Majistret Petaling Jaya to face charges under section 15(1)(a) Dangerous Drug Act 1952.
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Actually there are many Malaysian artists involved with drugs. If you are Malaysian you should know that one of the famous singer who became drug addict was Jamal Abdillah but he managed to free himself from drugs after years of suffering.
Drug used in medicine is not harmful if its use is minimal. However, prevention is better than cure so take care of yourself and exercise 10 minutes 3 times a day.