How to remove nicotine from lungs?

Could you please elaborate on the most effective methods to eliminate nicotine from the lungs? Are there specific dietary changes or exercises that can aid in this process? Are there any over-the-counter or prescription medications available to help clear nicotine from the lungs? Additionally, how long does it typically take for the body to rid itself of nicotine completely, and what factors might influence this timeline? Lastly, are there any potential health risks associated with nicotine lingering in the lungs, and how can one mitigate these risks?