hormones
Hunger Hormone Slows Aging in Mice
Hunger Hormone Slows Aging in Mice
Kerry Grens | Feb 3, 2016
Signs of getting older are less common among rodents with ramped-up ghrelin production.
Hormone Hangover
Hormone Hangover
Jyoti Madhusoodanan | Feb 1, 2016
Medication to prevent prematurity in humans harms cognitive flexibility in rats.
Controlling Cravings
Controlling Cravings
Jef Akst | Dec 29, 2015
A hormone made in the liver controls how much sugar mice eat, according to a study.
Gut Bugs to Brain: You’re Stuffed
Gut Bugs to Brain: You’re Stuffed
Kerry Grens | Nov 24, 2015
Bacteria in the intestine produce proteins that stop rodents from eating.
Hormone Affects “Runner’s High”
Hormone Affects “Runner’s High”
Tracy Vence | Sep 2, 2015
Leptin, the satiety hormone produced by fat, affects neuronal signaling in the mouse brain; interference with this pathway can influence the rewarding effects of running in the animals.
Irisin Redeemed
Irisin Redeemed
Anna Azvolinsky | Aug 13, 2015
Researchers who first identified irisin quantitate levels of the hormone in human blood and show it is released during exercise.  
A Case of Sexual Ambiguity, 1865
A Case of Sexual Ambiguity, 1865
Amanda B. Keener | Aug 1, 2015
This year marks the 150th anniversary of an autopsy report describing the first known case of a sexual development disorder.
Underground Immunity
Underground Immunity
Kara Manke | Jul 16, 2015
Arabidopsis thaliana defense hormones shape the plant’s root microbiome. 
Puppy Love
Puppy Love
Jef Akst | Apr 17, 2015
Dog owners bond with their four-legged friends via the same hormonal pathways through which human mothers bond with their babies.
Investigating Irisin
Investigating Irisin
Jenny Rood | Mar 10, 2015
The discovery of nonspecific antibodies as key components of testing kits used in recent research suggests results touting the discovery of an “exercise hormone” may be invalid, according to a study.