While illegal for recreational use, psychedelic drugs are showing great promise as treatments for severe depression and anxiety, as well as alcohol addiction and other conditions. Some advocates and scientists believe the ...
Biochemistry
Sep 28, 2022
0
507
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
0
0
(Phys.org)—Researchers at Waseda University in Japan have built a robot rat they call WR-4, and whose purpose isto induce stress in lab rats. In studying the impact of stress inflicted on the lab rats, the researchers hope ...
The Great Depression had a silver lining: During that hard time, U.S. life expectancy actually increased by 6.2 years, according to a University of Michigan study published in the current issue of the Proceedings of the National ...
Social Sciences
Sep 28, 2009
5
0
Synaptic plasticity, the ability of synapses to strengthen or weaken over time in response to changes in their activity, is a central foundation of learning and memory. At synapses, presynaptic cells transmit signals to postsynaptic ...
Molecular & Computational biology
Aug 14, 2024
0
53
The way we make decisions in a social context can be explained by psychological, social, and political factors. But what if other forces were at work? Hilke Plassmann and her colleagues from the Paris Brain Institute and ...
Cell & Microbiology
May 18, 2024
4
250
People with chronic pain are often dependent on drugs from the class of opioids with sometimes considerable side effects. Accordingly, in recent years the search for safer alternatives has been the focus of new drug discovery.
Biochemistry
Dec 6, 2023
0
20
Every tree species has its story. Unraveling all 73,000 of them is a significant undertaking for science, in no small part because a considerable proportion of tree biodiversity is tropical, rare, remote and subject to the ...
Plants & Animals
Nov 15, 2023
2
145
Language researchers have studied how mothers speak to their infants, to their pets, and to other adults. Mothers speak slowly and clearly to their infants, hyperarticulating speech to teach language. What this research did ...
Social Sciences
Oct 12, 2023
0
121
One in five glaciers on Earth are covered with a layer of rocky debris. The presence of debris influences how glaciers melt. In the Himalaya, debris covers most large glaciers, and it is so thick that it should insulate the ...
In the fields of psychology and psychiatry, the terms depression or depressed refer to sadness and other related emotions and behaviors. It can be thought of as either a disease or a syndrome.
The Diagnostic and Statistical Manual of Mental Disorders (DSM) states that a depressed mood is often reported as feeling sad, helpless, and hopeless. In traditional colloquy, "depressed" is often synonymous with "sad," but both clinical depression and non-clinical depression can also refer to a conglomeration of more than one feeling.
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