A deep red or purple smile is a common sight in many parts of Asia and the Pacific. But what’s behind it? This red residue is the telltale sign of the betel nut, which is chewed by millions of people ...
In this photo by Eranga Jayawardena, a woman waits for customers as she sells locally grown areca nut and betel leaves in a market in Colombo, Sri Lanka. Chewing a mixture of the leaves and nuts, ...
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