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
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
More than 140 years ago, Charles Darwin noticed something peculiar about domesticated mammals. Compared to their wild ancestors, domestic species are more tame, and they also tend to display a suite of other characteristic ...
Plants & Animals
Jul 14, 2014
8
0
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
(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
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
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
Like humans, older dogs can be prone to a variety of health issues.
Veterinary medicine
Jul 5, 2023
0
1
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
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
