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[Calcium intake and blood lead in women in reproductive age]
M Lacasaña-Navarro1, I Romieu, L H Sanín-Aguirre
1Centro de Investigaciones en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
Objective:
To evaluate the relation between calcium intake and blood lead levels in women of reproductive age living in Mexico City.
Material And Methods:
Blood lead was assayed in 198 women of 15-48 years of age. By interrogation, the calcium intake was calculated from the frequency of consumption of 11 foods which provide nearly 95% of the intake of calcium in Mexico.
Results:
The mean blood lead was 9.71 micrograms/dL (range 1 to 39). We observed a statistically significant decreasing trend between the risk of having blood lead levels exceeding 10 mu/dL and the increase in calcium intake.
Conclusion:
Our study suggests the need to evaluate interventions such as modifications in the consumption of milk, cheese, and other calcium rich foods, and their effect on blood lead levels.