is smoking 2 cigarettes a week bad What Happens to Your Body, When You Take Puff of a Cigarette? Single cigarette takes 20 minutes

Cigarette filters contain toxic substances, including heavy metals and chemical residues from tobacco smoke.Some data collected and analysed by Surez-Rodrguez and Constantino Macas warn that although parasites are reduced, these toxic compounds could harm adult birds or developing chicks.This creates a trade-off: Benefit: Fewer parasites in the nest Risk: Exposure to harmful chemicals Scientists are still investigating whether the advantages outweigh the risks, or whether this behaviour could have long-term negative effects on bird health

(And that applies whether it's tobacco, marijuana, or whatever other addictive things you want to smoke.) So let's take the "addiction" part out of the picture

Reynolds line in 1954

USB socket is powered all the time

Due to the widespread use of the plant for recreational purposes, plant breeding aimed at production of plant material rich in THC for decades