Description
Sidney Q. Cohlan studied birth defects in the US during the twentieth century. Cohlan helped to discover that if a pregnant woman ate too much vitamin A her fetus faced a higher than normal risk of teratogenic effects, such as cleft palate. A teratogen is a substance that causes malformation of a developing organism. Cohlan also identified the teratogenic effects of several other substances including a lack of normal magnesium and prenatal exposure to the antibiotic tetracycline. Cohlan's experiments with vitamins and other chemicals brought attention to how nutrition and environmental agents adversely affect human pregnancy outcomes.
Details
Title
- Sidney Q. Cohlan (1915-1999)
Contributors
- Zietal, Bianca (Author)
- Tantibanchachai, Chanapa (Author)
- Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia. (Publisher)
- Arizona Board of Regents (Publisher)
Date Created
The date the item was original created (prior to any relationship with the ASU Digital Repositories.)
2017-06-18
Subjects
Keywords
- People
- Wilson, James G. (James Graves), 1915-
- Warkany, Josef, 1902-
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