Leather offers some of the best abrasion resistance. Modern textiles are starting to become just as good.
Many larger motorcycle and ATV dealers have riding leathers in their showroom for sale. Some online stores that specialize in leather motorcycle jackets are Motorcycle Super Store, Leatherup and Bikebandit.
If you should fall/crash, it can protect your head (and face).
Yes
Cat Dog! - I remember this because cat and dog were connected, and they wore leather jackets, while riding a motorcycle!!
sometimes
gas
Riding a motorcycle for an extended period of time can be harmful to your hands gripping the handlebars, unless they have gloves to protect them. Not only would a cyclist's hands hurt, but their control of the vehicle may be impaired. Gloves also protect against cold temperatures as well as sunburn.
you could put it under the seat if it will fit
UH YEA UH YEA
Wearing a motorcycle helmet is highly crucial for one's safety while riding a motorcycle. It can save one's life if one gets into a crash or accident.
Use a helmet.....
I suggest riding a motorcycle. Nicotine itself is addictive but not particularly harmful to health. It is the tar and and other substances in tobacco smoke that causes fatal diseases.