Micronutrient profiles in HIV-1-infected heterosexual adults

Article Abstract:

Many HIV-infected people may develop nutritional deficiencies that can be prevented with vitamin supplements. Researchers measured the level of 22 nutrients in blood samples from 64 HIV-positive people and 33 healthy HIV-negative people (the control group). Nineteen of the HIV-positive participants had AIDS, 18 had symptoms of HIV infection and 27 were asymptomatic. Compared to the control group, HIV-positive patients had lower blood levels of antioxidants such as vitamins A, C and E as well as carotene and glutathione. They also had lower magnesium levels. However, they were more likely to have high blood levels of choline and niacin. Those who were taking vitamins had higher levels of B vitamins and vitamin C than those who were not. However, 29% of those who took vitamins still had low blood levels of at least one antioxidant. AIDS patients were more likely to have low blood antioxidant levels than those who were asymptomatic.

Measurement, Food and nutrition, HIV patients, Vitamins in human nutrition, Human nutrition, Vitamins

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Effects of weight loss and exercise on the distribution of lead and essential trace elements in rats with prior lead exposure

Article Abstract:

Weight loss could contribute to lead toxicity in people who have had excessive prior exposure to lead. In a study involving rats, Pb concentrations increased in the blood, liver and kidney after food restriction and weight loss; hematocrits were higher, and bone density decreased. Swimming during food restriction prevented femur bone density declines. Concentrations of calcium, copper, iron, magnesium and zinc were also examined.

Physiological aspects, Exercise, Exercise physiology, Weight loss, Lead in the body, Micronutrients, Trace elements in the body

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Dietary calcium intakes of urban children at risk of lead poisoning

Article Abstract:

The relationship between low dietary calcium intake and susceptibility to lead poisoning is examined, focusing on urban youth's greater exposure to lead poisons in inner city areas. Research suggest that urban parents can supply children with a calcium enriched diet to help curb lead poisoning incidence.

New Jersey, Health aspects, Risk factors, Calcium (Nutrient), Lead poisoning, Calcium, Dietary, Urban health, Urban youth

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