Sitting atop each kidney and measuring only around two centimeters long, the adrenal glands are tiny but mighty. These glands produce steroid hormones, including those involved in stress response, blood pressure maintenance, ...
Evolution
May 20, 2022
0
154
Abnormal levels of stress hormones such as adrenaline and cortisol are linked to a variety of mental health disorders, including depression and posttraumatic stress disorder (PTSD). MIT researchers have now devised a way ...
Bio & Medicine
Apr 13, 2020
0
1229
When faced with a predator or sudden danger, the heart rate goes up, breathing becomes more rapid, and fuel in the form of glucose is pumped throughout the body to prepare an animal to fight or flee.
Cell & Microbiology
Sep 12, 2019
1
82006
Parenting is not the only way moms and dads impact the behavior of their offspring. Genes matter, too. And although most of our genes are inherited in pairs—one copy from each parent—moms and dads exert their genetic ...
Molecular & Computational biology
Mar 8, 2022
0
41
Early in human development, during the first trimester of gestation, a fetus may have XX or XY chromosomes that indicate its sex. Yet at this stage a mass of cells known as the bipotential gonad that ultimately develops into ...
Evolution
May 5, 2021
0
31
Indiana University researchers have discovered a hormonal mechanism in hamsters that connects short winter days with increased aggression in females, and that it differs from the mechanism that controls this same response ...
Plants & Animals
Nov 18, 2015
0
1069
The human gut is home to trillions of bacteria, many of which play an important role in helping the body strike a healthy balance. In the gut, bacteria are involved in the synthesis of vitamins, as well as metabolizing bile ...
Cell & Microbiology
Sep 12, 2013
0
1
(PhysOrg.com) -- Intermittent signaling by steroid hormones can affect the way genes are expressed in rodents, according to research by scientists at the University of Bristol and the National Cancer Institute (NCI), USA. ...
Cell & Microbiology
Aug 19, 2009
0
0
Avian neuroscientists at the University of Arkansas System Division of Agriculture probing the neural pathways for stress response have identitifed a new structure of neurons in the poultry brain.
Plants & Animals
Oct 23, 2018
0
5
As part of an unusual mortality event investigation, a team of scientists has discovered that dead bottlenose dolphins stranded in the northern Gulf of Mexico since the start of the Deepwater Horizon oil spill have lung and ...
Ecology
May 20, 2015
2
72
