Science news articles about 'human hormone'

... suspected of causing sexual abnormalities in frogs and fish, has now been found to alter hormonal signaling in human cells, scientists from the University of California San Francisco (UCSF) report. ...

A discovery that two commonly used food additives are estrogenic has led scientists to suspect that many ingredients added to the food supply may be capable of altering hormones. [More]

... What if there was a safe way to take the “edge” off these discussions?  The biology of human social relationships is just beginning to emerge as groundbreaking research on social cognition conducted ...

... is a major class of phytoestrogens – naturally occurring chemicals that mimic the effect of the human hormone oestrogen. Oestrogen is known to protect against heart disease and so this could be a ...

... into fatty acids, the lipid building blocks of human hormones and cell membranes. Many viruses, including ... , outer coatings that help them penetrate human cells. Going into the study, little was known ...

... said. "When people are stressed they have more epinephrine and norepinephrine being released. Both of these human hormones activate the receptors QseC and QseE, which in turn trigger virulence. Hence ...

... species expand and shrink seasonally in response to hormones. Now, for the first time, University of Washington ... mimic what is an age-related drop in human hormone levels. Here we have a bird model ...