what smoking cigarettes does to your body The Effects of Chart Smoking and Your Heart -

This can result in elevated blood sugar levels, as insulin is less able to facilitate the uptake of glucose into cells for energy

Archived from the original on 13 December 2013

This constriction can make it harder to breathe normally while sleeping, causing snoring or even worsening conditions like sleep apnea

Oxidative stress may lead to further inflammation within the ear causing a blockage or the overproduction of earwax as the body tries to protect itself from the inflammation

The sebum blocks the pores and causes comedones and blackheads. Sebum (or the oily substance that lives within your pores) is not a bad thing