How to Minimize Side Effets of Quitting Smoking?

Quitting smoking reduces your risks for cancer, COPD and numerous diseases. However, cessation brings specific effects on your body and mental health. They appear soon after smoking your last cigarette.

VapingDaily shares a well-structured and informative infographic about quitting smoking side effects and timeline. My question is: how to minimize them? Maybe you know some lifehacks or would like to tell about difficulties you've experienced.