Mean serum cholesterol and triglyceride concentrations were higher for two groups of sedentary middle-aged and elderly men than for a group of physically-active, middle-aged farmers, all from rural Puriscal, Costa Rica. ...

Present models of the relation between subcutaneous fat distribution and serum biochemistries have been based largely on U.S. White populations. To determine interpopulational differences in that relation, we measured 68 ...

Cholera El Tor appeared in Peru in 1991 and spread rapidly to nearly all neighboring countries. The disease evolved more explosively than anything recorded since the beginning of the 7th pandemic in Sulawesi (the Celebes) ...

Lime juice killed Malian of Vibrio cholerae 01, El Tor, Inaba, present on cabbage and lettuce contaminated in the laboratory. The lethal effect was evident within 5 min of exposure to lime juice. No vibrios could be recovered ...

Several expeditions were made during the period 1979 -1984 to the Amerindian localities Limoncito and Abrojo (Guaymi);Cabagra aend Amubri (BriBri); Boruca (Boruca) and Ujarras (Cabecar); in order to evaluate the ...

Control and prevention of parasitic disease depends on an adequate knowledge of interactions among factors such as human behavior, the environment, and the life cycles of parasites. Sociocultural factors in large part ...

Entre 1979 y 1984 se realizaron estudios clínicos y epidemiológicos en las poblaciones de Limoncito y Abrojo (Guaymi), Cabagra y Amubri (Bribri), Boruca (Boruca) y Ujarrás (Cabecar). Los estudios clínicos consistieron en ...

Human milk contains antibodies to a variety of enteropathic agents. We utilized the method of enzyme-linked immunosorbent assay to investigate anti-rotavirus secretory IgA in 113 human milk and colostral specimens from a ...

The predominant etiology of diarrhea in the general population of underdeveloped countries is infection by viruses and bacteria. Studies in rural areas clearly suggest an infectious cause. For example, diarrhea initially ...

At least 18 species of intestinal protozoa in 14 different genera have been identified in the feces or intestinal juices of man (Table 1). Of these ten species are regarded as potential pathogens and can induce diarrheal ...