This is an update on cultural and dietary risk factors for oral precancer a
nd cancer. It is an overview on ethnic differences (where possible) and soc
io-cultural risk factors (tobacco/areca nut/betel quid, alcohol use and die
tary factors) in relation to oral precancer and cancer. While studies were
from Western countries, India and China, this update also attempts to inclu
de and highlight some studies conducted in the Asia-Pacific region. (C) 200
1 Elsevier Science Ltd. All rights reserved.