Yes, if taken in excessive amounts.
(in relation to a drug user) He used to injurious levels.
Injurious. There is no safe level.
No, because Melatonin is not a drug therefore no prescription is needed for it.
No
All alcohols (they are a type of chemicals) are injurious to health. Humans do use ethanol and in very small quantities humans can tolerate this.
Yes, he is.....greetings the duch.
On the contrary, they are essential to good health and are one of latest health-food fads.
Canada.
Melatonin is a natural hormone available in a natural supplement. You can easily find it in a drug strore or even online.
It depends on what you are smoking in it.
smokin is injurious to health man ,,,
Although these two are commonly mixed together, which is not recommended. there is a major drug interaction between them, which can lead to health problems and even death. call your doctor immediately.