Limited Damage: While the short-term impact may be noticeable, the overall damage to the lungs and other organs is comparatively limited at this stage
So it would be better called heat not combust. The devices heat tobacco to 350C (662F), far lower than traditional cigarettes that burn at temperatures up to 900C (1,652F), but still high enough for harmful chemicals to be released into the vapour
In this pic you can see two small leaves or suckers growing from the main stalk of the plant
Step 2: Farmhands, servants, and slaves harvested the tobacco
TAR IN CIGARETTES The sticky brown substance, known as tar, collects in the lungs when tobacco smoke is inhaled, causing staining of teeth and fingers and containing harmful chemicals that increase the risk of serious lung diseases