unbiased
1) It causes cancer
2) It calms some peoples nerves
3) Nicotine is addicting
4) A smoker's heart speeds up from 10 to 20 beats per minute.
5) About 43 million people who are over the age of 18 smoke
Biased
1) It stinks really bad
2) Some people are allergic so the smoker could be creating an allergic reaction just by standing near them
3) By smoking around their kids the kids are more likely to become smokers
4) The smell never really gets out of clothes
5) A smokers skin becomes wrikley sooner in life.