(2011) Today's smokers are more strongly influenced by genetic factors than in the past, and that influence makes it more difficult for them to quit, according to a new study of twins published in the December issue of the journal Demography.
(September 2007) The world is on the verge of a shift: from predominantly rural to mainly urban.
(2001) La désertification est particulièrement grave en Afrique. Les terres arides occupent les deux tiers du continent africain et les trois quarts des terres sèches qui sont utilisées à des fins agricoles ont déjà commencé à devenir moins productives. D'après la 2e Evaluation démographique des régions sèches du Programme des Nations Unies pour le développement, au total 45 % de la population africaine vit dans des régions de terres sèches qui sont prédisposées à la désertification.
Older adults’ social ties are more important for physical and mental health than previously thought, new research shows.
Child marriage is a human rights violation.
Mortality remains one of the major outcomes related to natural disasters, and a recent study on which types of disasters are the deadliest has yielded interesting results.
This lesson provides students with the background to understand the importance of age structure on population growth.
