All animals have an internal clock called a circadian clock, which is regulated by cues from their environment—but animals in zoos can be exposed to very different cues from animals in the wild.
Plants & Animals
Sep 18, 2023
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261
Researchers from the Turku PET Centre, Finland, have observed that the length of daylight hours impacts opioid receptor levels in brown fat. When daylight hours shorten, the receptor activity levels elevate. A similar phenomenon ...
Cell & Microbiology
Oct 7, 2022
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7
Would you feel depressed if it has rained for several days? Sunshine affects our mood. The medical sector generally believes that seasonal affective disorder (SAD) is related to shorter sunshine duration in autumn and winter, ...
Economics & Business
Sep 14, 2021
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30
A group of animal biologists and chemists at the Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, has used a chemical genomics approach to explore the underlying mechanism of winter depression-like ...
Veterinary medicine
Apr 13, 2020
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9
Researchers at UW Medicine have decoded what makes good lighting—lighting capable of stimulating the cone photoreceptor inputs to specific neurons in the eye that regulate circadian rhythms.
Molecular & Computational biology
Feb 20, 2020
2
205
The best time to invest in U.S. Treasury securities may be spring, thanks to seasonal variations in investor risk tolerance linked to depression.
Economics & Business
Mar 16, 2015
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11
During these dark winter months, spare a thought for artificial lights. From strings of lights adding holiday cheer to artificial sunlamps alleviating seasonal affective disorder, they brighten our days. And light's applications ...
Engineering
Jan 13, 2015
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32
Researchers at the UNC School of Medicine have discovered how two genes – Period and Cryptochrome – keep the circadian clocks in all human cells in time and in proper rhythm with the 24-hour day, as well as the seasons. ...
Biotechnology
Sep 14, 2014
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0
Most of us are familiar with the "winter blues," the depression-like symptoms known as "seasonal affective disorder," or SAD, that occurs when the shorter days of winter limit our exposure to natural light and make us more ...
Plants & Animals
Apr 25, 2013
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0
Glowing bacteria in the tiny Hawaiian bobtail squid may shed new light on the role bacteria play in the human body to synchronize daily tasks such as sleeping and eating, and keeping the immune system healthy, research at ...
Cell & Microbiology
Apr 23, 2013
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