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Results for “AFRICA, NORTHERN”

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PubMed2001

An overview of the health status of migrants in France, in relation to their dietary practices.

OBJECTIVE: To review studies on the morbidity, mortality and nutrition of migrant populations in France. DESIGN: A systematic search of the bibliographic database Medline, and direct contact with associations and institutions concerned with migrants' health. RESULTS: In France, as in other host countries, migrants belong to the lowest socio-economic strata. They have on average better health and lower mortality than the local-born population. Health benefits are particularly noticeable in Mediterranean men, especially for affluence-related diseases such as cancer and cardiovascular diseases. North African men smoke as heavily as the local-born of the same occupational categories, and yet their mortality rates from lung cancer are notably lower. Such a paradox may be the result of a synergy between different phenomena such as the selection of the fittest applicants for immigration and the maintenance of healthy lifestyles from the countries of origin. In contrast, migrant women do not enjoy the same health advantages, possibly because they are less likely to be selected on the basis of their health and because they are often non-working. Adult migrants from southern Europe and North Africa report dietary practices consistent with the typical Mediterranean diet, which is renowned for its positive effects on health. CONCLUSIONS: The diet of Mediterranean adults living in France may partly explain the low rates of chronic diseases and high adult life expectancy observed in migrant men from northern Africa. Information about their diets might provide clues for the design of nutritional education campaigns aimed at low-income people.

Africa, Northern↗
PubMed2004

Ophthalmological observations made during the mid-19th-century European encounter with Africa.

European travelers in Africa in the mid-19th century encountered environments quite unlike those of their native lands. These provided many new and unanticipated health challenges. The ophthalmological consequences of exposure to such climates, as recorded incidentally in travelogues, are of potential interest. In this article, the almost contemporaneous narratives of 3 travelers with considerable medical training, David Livingstone and his sometime companion John Kirk, who journeyed in southern Africa, and Gustav Nachtigal, who traveled in northern Africa, are examined for information on ophthalmological problems, both observed and personally experienced. This affords an opportunity to compare observations made in Saharan and sub-Saharan Africa.

Africa↗
PubMed2002

Investigation of a human case of rabies in the United Kingdom.

In May of 2001 a Nigerian woman visiting the United Kingdom presented with fever, headache and difficulty swallowing. Within 24 h she showed a marked deterioration and died shortly afterwards. Autopsy samples from a range of tissues were analysed to confirm a clinical diagnosis of rabies. Phylogenetic analysis of the viral nucleoprotein gene confirmed that this was an infection with a genotype 1 virus (classical rabies) belonging to the Africa 2 group, which is endemic in Northern Africa. Comparison of both the nucleoprotein and glycoprotein coding sequences of this isolate with an imported case of human rabies from 1996, also from Nigeria, showed that the two viruses were 99% homologous.

Amino Acid Sequence↗
PubMed1995

Benefits and burdens: researching the consequences of migration in the Sahel.

The consequences of rural out-migration for women and natural resource management are analyzed for four locations in the Sahel region of Africa, located in Burkina Faso, Senegal, Sudan, and Mali. The results show that "the impact of migration on women's management of natural resources varies considerably depending on prevailing gender divisions and relations of labour, of land access and control, and of responsibilities towards family and personal production."

Africa↗
PubMedDate not supplied

Population growth.

Explore the source record for details and available documents.

Africa↗
PubMed1990

[Senegalese and Moroccans: introduction into the labor market and migration intentions compared].

"The study compares two surveys carried out in 1987 and 1990 on two different immigrant groups coming from Morocco and Senegal and working in Lombardy and the Salento area [of Italy]. Economic and employment differences between the two groups are emphasized, taking into consideration not only the two different geographical areas but also the diverse migratory projects of the two communities." (SUMMARY IN ENG AND FRE)

Africa↗
PubMed2005

Mitochondrial haplotype diversity in the tortoise species Testudo graeca from North Africa and the Middle East.

BACKGROUND: To help conservation programs of the endangered spur-thighed tortoise and to gain better insight into its systematics, genetic variation and evolution in the tortoise species Testudo graeca (Testudines: Testudinidae) was investigated by sequence analysis of a 394-nucleotide fragment of the mitochondrial 12S rRNA gene for 158 tortoise specimens belonging to the subspecies Testudo graeca graeca, Testudo graeca ibera, Testudo graeca terrestris, and a newly recognized subspecies Testudo graeca whitei. A 411-nucleotide fragment of the mitochondrial D-loop was additionally sequenced for a subset of 22 T. graeca, chosen because of their 12S gene haplotype and/or geographical origin. RESULTS: Haplotype networks generated by maximum-likelihood and neighbor-joining analyses of both the separate and the combined sequence data sets suggested the existence of two main clades of Testudo graeca, comprising Testudo graeca from northern Africa and Testudo graeca from the Turkey and the Middle East, respectively. CONCLUSION: Mitochondrial DNA haplotyping suggests that the tortoise subspecies of T. g. graeca and T. g. ibera are genetically distinct, with a calculated divergence time in the early or middle Pleistocene. Other proposed subspecies could not clearly be recognized based upon their mt haplotypes and phylogenetic position, and were either part of the T. g. graeca or of the T. g. ibera clade, suggesting that genetic evidence for the existence of most of the 15 proposed subspecies of T. graeca is weak.

Africa, Northern↗