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Male red colobus monkeys that ate more of an estrogen-containing plant not only had higher levels of the hormones estradiol and cortisol in their systems, they were more aggressive, had more sex and groomed less. The finding that the consumption of plant-based hormones may have affected primate behavior suggests that it could have played an important role in primate evolution.
Tag: hormones
Study shows need to eliminate sex bias in research
April 18, 2011:
A recent study by UC Berkeley neuroscientists Emily Jacobs and Mark D’Esposito highlights the need to include female animals in research studies, since sex hormones have an impact on how females respond. The research, published April 6, showed that estrogen levels affected how women scored on memory tests.
