5. on average, how many years earlier do smokers die than nonsmokers?
(points : 1)
5 to 6
10 to 11
13 to 14
19 to 20

On average, smokers dies 10 to 11 years earlier that nonsmokers.  

Around 10-11 some deaths are  caused by liver/ lung cancer or disease 

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle