how does tobacco affect your respiratory system Smoking Effects on Lungs The Short and Long Term

These are: Age related macular degeneration (AMD) and cataracts

In its final form, the bill imposed a ban on all cigarette advertising on radio and television, mandated that tobacco companies include a warning on their packaging stating that The Surgeon General has determined that cigarette smoking is dangerous to your health, and prohibited states or local governments from making laws concerning cigarette advertising

After staining, the crystal violet was aspirated, and the wells were washed twice with 200 L of sterile water to remove excess dye

They may taste and smell far superior, but it is the process/efficiency of combustion that determines how much carbon is left in the ash - and therefore what colour that ash will be