hormones

A Common Household Chemical May Cause Thyroid Problems For Cats

A Common Household Chemical May Cause Thyroid Problems For Cats

Many older cats suffer from health problems caused by a hyperactive thyroid, and while there’s no single cause of the condition, hormone-disturbing chemicals in the environment are thought to be an important factor. A new study based in the U.S. and involving some furry volunteers suggests that these chemicals include…

Lower Levels Of Fat Hormones May Contribute To Runner’s High

Fat cells secrete the hormone leptin as a means of signalling the brain when we’re full after eating. But new research indicates that leptin may also play a role in motivating us to exercise as well — possibly contributing to the phenomenon of “runner’s high”.

Testosterone In The Womb Affects How Our Faces Look After Puberty

Hormone surges at puberty trigger a lot of physical changes in both men and women, morphing child-bodies into adult forms. Genitals, hips, and muscle mass change, obviously — but so do faces. A new study suggests those facial changes are primed to happen by the presence of testosterone in utero.