Blood groups and red cell acid phosphatase types in a Mixteca population resident in Mexico City

Article Abstract:

Red cell acid phosphatase (ACP) types and blood groups have been studied in a Mixteca population, an Amerindian group, of Mexico City. The group has been in the city since 1950, having come from three locales. Frequencies in all cases were in Hardy-Weinberg equilibrium. ABO frequency differences were significant when subjects from the three areas were simultaneously compared. Rh frequencies differed between the high-area and low-area populations only. ACP frequencies were significantly different between the high-area Mixteca group and a Mestizo population, all from Oaxaca.

Mexico, Demographic aspects, Native Americans, Native North Americans, Mexico City, Mexico, Erythrocytes, Red blood cells, Blood groups, ABO blood-group system, Mixtecs

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Two decade trends in birth weight and early childhood growth in Papua New Guinea

Article Abstract:

Wage income was found to be a significant factor in the improvement of birth weights and growth rates for rural societies in Papua New Guinea. Birth weight increases averaging 150 g were observed in families with income, as well as childhood growth rate increases averaging 2.6 cm taller and 93 g heavier. Rural societies exposed to health promotion campaigns but without income sources did not demonstrate improved birth weight and growth rates.

Rural population, Birth weight, Human growth, Human development, Indigenous peoples, Papua New Guinea

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