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2 weeks after quitting, your breathing improves In 1 year, your risk for a heart attack is cut in half In 5 years, your risk for a stroke is the same as a person who never smoked In 10 years, your risk of lung cancer is reduced by half To lower your cholesterol levels To lower your risk of developing type 2 diabetes To lower your risk for gum disease To avoid exposing your friends and family to secondhand and thirdhand smoke How do I quit

Calcium ions bind PAH carboxyl groups, forming insoluble salts that resist enzymatic cleavage

There are sites like Tae Kim's Guide To Japanese as well as textbooks (we like the Genki series)

You dont have to be a connoisseur to enjoy them, but if you are a connoisseur youll be well rewarded