Compounded bioidentical hormones in the USA typically contain a large quantity of estriol, a weak estrogen. The rationale for this is that rats pretreated with estriol developed less breast cancer ...

A growing understanding of how “reproductive” hormones sculpt the brain could transform the management of neurological conditions. Credit...Yuko Shimizu Supported by By Rachel E. Gross ...

binding affinity for both estrogen receptor (ER)-α and -ß is equal at 100. [20] Estrone has a binding affinity for ER-α of 60 and for ER-ß of 37. Estriol binds to ER-α with an affinity of 14 ...

During pregnancy, the body isn’t the only thing going through big changes—your brain does, too. For years, scientists knew ...

What drives these brain changes? Hormones play a huge role. During pregnancy, two types of estrogen—estriol-3-sulfate and estrone-sulfate—skyrocket. Then, after birth, they drop back down.

She and her team at UCLA have been studying a different form of estrogen replacement called Estriol, which she said provides all the benefits without the breast cancer concerns. Voskuhl invented ...

Falling estrogen levels reduce the skin’s ability to retain moisture, leaving your face feeling tight, flaky, or rough. Try This: An Estriol Cream can help. It supports skin elasticity and ...

Estrogen-related receptors regulate innate and adaptive muscle mitochondrial energetics through cooperative and distinct actions. Proceedings of the National Academy of Sciences , 2025; 122 (20 ...

If you’re eating fruits, vegetables, legumes and seeds, you’re likely consuming plant estrogen — a group of naturally occurring compounds that can act like a weaker form of the female sex ...