secondhand smoke – n. smoke from a cigarette, cigar or pipe that can be inhaled by people who are near the person who is smoking
asthma – n. medical a physical condition that makes it difficult for someone to breathe
pneumonia – n. medical disease marked by inflammation of the lungs, usually caused by a bacterium, virus, or other infectious agent
commitment – n. a promise to be loyal to someone or something; the attitude of someone who works very hard to do or support something