(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.
(2011) Many studies have recommended integrating reproductive health and HIV services because sexually active individuals have overlapping needs: They are at risk of both unintended pregnancies and HIV infection. A 2009 World Health Organization review of the studies on this issue found that integrating family planning and HIV services leads to higher-quality and better-used services and is cost-effective.
(September 2007) The world is on the verge of a shift: from predominantly rural to mainly urban.
Child marriage is a human rights violation.
(2007) More than 35 million Americans identify as Hispanic, making them the country's largest ethnic minority. However, Latinos have been underrepresented in the all-volunteer armed forces, especially among officers.
(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.
(2003) Reaching age 100 has long fascinated society. The century mark holds an almost mystical importance as a seal of hardiness and good health — the sign of a life well-lived.
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.
