Bats are known to chew and spit out leaves, like humans chew and spit out tobacco or coca, but this is the first continuous ...

Weeks in a advance I was invited to share in the chewing. I can remember those scraggly tobacco plants, leaves more yellow than green, squatting there among the cotton stalks. They were harvested ...

Traditional nicotine products such as cigarettes, cigars, and chewing tobacco contain raw tobacco leaf, which are associated ...

Oral cancer is diagnosed in people younger than 40 in these two regions and could be related to widespread chewing of qat leaves and tobacco. The exact prevalence of oral cancer in the Arab world ...