It depends on what you are smoking in it.
Burning of leaves can lead to inhalation of smoke (particularly if those leaves are tobacco).
Injurious. There is no safe level.
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.
It may not be immediately obvious and that is what makes it so dangerous. When something does happen like squamous cell carcinoma, a skin cancer, it is too late to do anything except for surgery.
Canada.
On the contrary, they are essential to good health and are one of latest health-food fads.
"Injurious" is not a noun; it is an adjective that describes something that causes harm or injury. It is used to characterize actions, behaviors, or substances that can be detrimental or harmful to health or well-being. For example, one might refer to "injurious habits" or "injurious effects."
smokin is injurious to health man ,,,
Yes, if taken in excessive amounts.