Which person engages in habits that are most harmful to his or her health?

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.