Nicotine. Caffeine. Betel nuts. You may never have heard of them, but nuts from the Areca palm are hugely popular as a chewable stimulant: Almost a tenth of the global population enjoys them, the BBC ...

For years Huang Sheng-yi helped feed Taiwan's addiction to the betel nut, planting thousands of the trees on his mountainous farm. Today he has felled most of them, incentivised by the government to ...

Add Yahoo as a preferred source to see more of our stories on Google. Betel nut prices fluctuate frequently. In this stall in Port Moresby they sell for one kina per nut (20 pence) - Torbjörn ...