Tag Archives: eduardo villamor

Low Vitamin D Linked to Earlier First Menstruation, a Risk Factor for Health Problems Throughout Life

ANN ARBOR, Mich.— A study links low vitamin D in young girls with early menstruation, which is a risk factor for a host of health problems for teen girls as well as women later in life.

Researchers from the University of Michigan School of Public Health measured the blood vitamin D levels in 242 girls ages 5-12 from Bogota, Colombia, and followed them for 30 months. Girls low on vitamin D were twice as likely to start menstruation during the study than those with sufficient vitamin D, said epidemiologist Eduardo Villamor, associate professor in the U-M SPH. (more…)

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Low Blood Levels of Vitamin D Linked to Chubbier Kids, Faster Weight Gain

ANN ARBOR, Mich.—Kids who are deficient in vitamin D accumulated fat around the waist and gained weight more rapidly than kids who got enough vitamin D, a new University of Michigan study suggests.

Vitamin D, which is primarily provided to the body by the sun, has been a hot topic in the U.S. lately. The federal standards for vitamin D intake have come under fire by public health professionals as being much too low, and disagreement continues over the proper amount of vitamin D necessary for optimal health. (more…)

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Some Vitamin Supplements Increase Presence of the HIV Virus in Breast Milk

ANN ARBOR, Mich.— Vitamin A and beta-carotene supplements are unsafe for HIV-positive women who breastfeed because they may boost the excretion of HIV in breast milk—thereby increasing the chances of transmitting the infection to the child, a pair of new studies suggest.

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