How does smoking cause
cancer?
a. Exposure to smoke causes infections in your lungs
(b. Exposure to smoke damages your cells' DNA
c. Exposure to smoke strips protective layers of tissue
from your mouth and throat
d. Tobacco residue gradually builds up and forms tumors
in your lungs

i need the a b or c but mental disorders include repetitiveness,unable to listen, wanting to kill people, thinking that you are perfect, sexuality toward the wrong age types younger than you like a child bad reputations cutting yourself abuse! these are sad but these are true! the titles for some of these are ptsd and adhd. you need to go to jail or get an expert counselor if you face any of these problems or if you have indeed been involved!

answer; hepatitis a& b can be passed through breast milk; (true);