Research by Topic: finger length

Podcast: What is true for males is not true for females

Published February 26, 2018

On this week’s podcast, Dr. Alycia Halladay focuses in on the Extreme Male Brain Theory of Autism. Amazingly, fetal testosterone levels are reflected in the length of the 2nd and 4th fingers and can be measured as a reflection of testosterone levels during pregnancy. But what may be true for one sex, may not be […]

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