Stronger heart and lungs. Increased bone density. Reduced stress. Reduced risk of heart disease and some types of cancer.
Answer:
genetics
Explanation:
Addiction does not have to do with lack of morals or weak willpower. The chemical reactions that occur in a person’s brain when they are addicted are noticeably different than the ones that occur in a person without one. That is why some people can smoke cigarettes on occasion for pleasure while others need them much more frequently in order to function.
I mean, not all do? But in Japan, looking nice is a (really) common thing. I assume they just take really good care of their hair though. And the black, could be natural or dyed.