respiratory system cigarette smoking How does affect your anatomy and physiology? Biology Notes for A level:

If you look at the photo, you'll see three little gold balls on the shaft coming off the ring

Between strict tobacco control laws and anti smoking campaigns plastered with images straight out of a National Cancer Institute pamphlet, smokers have become the poster children for what not to do. Society has slowly rewritten the script on smoking behavior, shifting from cool and carefree to unhealthy and irresponsible. A lot of this comes from public health messaging aimed at population health improvement, but its also created a weird kind of social divide

NNH: number needed to harm

It represents your ability to see the bigger picture and gain a broader understanding of your lifes purpose