renee zellweger smoking cigarettes All sizes | 3 | Flickr renee zellweger smoking cigarettes Renee

This smoke contains various chemicals and irritants that can irritate the respiratory system, including the throat

doi: 10.1161/STROKEAHA.117.018816 103

Bloke 2: Heres to feeling good all the time

[19] Nicotine replacement patches, nicotine gum, and nicotine lozenges are all common NRT products that have been shown to be effective in treating nicotine cravings

The first thing that happens when you smoke a cigarette is that you inhale a noxious mix of nicotine, various irritants and carcinogens into your lungs, stunning your cilia the tiny, hair-like projections that line your airways and making them do their job less effectively, says Lion Shahab, professor of health psychology at University College London