In both genders, U-Cd decreased to a minimum (~ 0.20 μg/L) at the end of adolescence,
then increased until 60–70 years of age (~ 0.60 μg/L in never-smokers) before leveling off
or decreasing. When U-Cd was expressed in micrograms per gram of creatinine, these variations
were amplified (minimum, 0.15 µg/g creatinine; maximum, 0.70 µg/g creatinine) and much higher
U-Cd values were observed in women. We observed no difference in U-Cd levels between neversmokers
and former smokers, and the difference with current smokers did not increase over time.
Lifetime curves of U-Cd were higher with increasing urinary retinol-binding protein or albumin, a
consequence of the coexcretion of Cd with proteins.
In both genders, U-Cd decreased to a minimum (~ 0.20 μg/L) at the end of adolescence,then increased until 60–70 years of age (~ 0.60 μg/L in never-smokers) before leveling offor decreasing. When U-Cd was expressed in micrograms per gram of creatinine, these variationswere amplified (minimum, 0.15 µg/g creatinine; maximum, 0.70 µg/g creatinine) and much higherU-Cd values were observed in women. We observed no difference in U-Cd levels between neversmokersand former smokers, and the difference with current smokers did not increase over time.Lifetime curves of U-Cd were higher with increasing urinary retinol-binding protein or albumin, aconsequence of the coexcretion of Cd with proteins.
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