what in tobacco is harmful smoke toxic The most important harmful effects

it was a testament to the spirit of householders determined to survive

The results are published in BMC Medicine

Increased risk of chronic diseases Smoking significantly increases the risk of heart disease and stroke by damaging blood vessels, raising blood pressure, and increasing the buildup of plaque

Snus is a traditional smokeless tobacco product that is placed between the lip and gums and held in the mouth for around 30 minutes, during which time it slowly releases nicotine without inhalation

Dryness: smoking lowers saliva production which results in dryness of the throat and increased vulnerability to inflammation