Classe
sante

Cesarean deliveries in India: too many and yet too few

Had India fallen prey to the epidemic of cesarean currently affecting many countries in the world? Thanks to the data issued from the latest National Family and Health Survey, Christophe Z. Guilmoto and Alexandre Dumont, both IRD researchers, have been able to chart some of the main trends and...
Vignette

Spitting to stop paludism

The fruit clusters of Coccoloba uvifera give it its nickname of sea grape.

Unwavering symbiosis

Research conducted on the introduction of a tree from extreme environments into the sand dunes of Senegal shows its solid relationship with a fungus. This fungus naturally accompanies the tree from its environment of origin, on the other side of the Atlantic.
aedes-albopictus

The Asian tiger mosquito enjoys car journeys

Original research shows the role of car journeys in the spread of the Asian tiger mosquito in Europe. Accustomed to freight transportation, this invasive species also uses passenger vehicles to propagate. It is seemingly found in 5 out of 1,000 cars.
test-arsenic

The Uros of Bolivia, adept at neutralising arsenic

A study of women from various Bolivian communities shows that these peoples drink water containing elevated levels of arsenic on a daily basis. While the toxic effects of the regular ingestion of this substance are well known, these women’s bodies seem particularly adept at “neutralising” the poison...
digue-d-atar

Malaria: P. vivax detected in the oasis of Atar

For the first time, the presence of the Plasmodium vivax parasite has been confirmed in Atar, northern Mauritania: it is responsible for most cases of malaria. It is therefore crucial to take every step to avoid an epidemic, not just in Mauritania but also in North Africa, or even beyond, notably in...
trois-jeunes-indiennes-vues-de-dos

How the world deals with abortion

Voluntary termination of pregnancy is the subject of ideological debate as well as health policies. Demographer Agnès Guillaume, co-author with Clémentine Rossier of an extensive review of the subject*, sheds light on the right, access to and practice of abortion in the world today.
ecole-nyamsong-cameroun

Onchocerciasis and epilepsy: a strong temporal link

There is a long-running debate within the scientific community as to whether onchocerciasis causes epilepsy. For the first time, a cohort study clearly shows a temporal connection between the two.
hbv-institut-pasteur

Liver cancer: the Peruvian exception

Scientists and physicians are attempting to decipher the ins and outs of the atypical epidemiology of liver cancer in Peru, where young people are particularly affected by the disease. Their research highlights risk factors which were hitherto unknown.
chimpanze-reserve-de-la-lekedi

Malaria: cracking the genome of P. vivax-like

Research by experts in primates, mosquitoes and malaria parasites sheds light on the emergence of a form of the disease which affects human populations throughout the tropical world. It opens up new avenues for combating this scourge.