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09/28/2020
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By Virgilio Marin
Hunger makes you better: Neural circuits in the brain drive improved physical performance and heightens motivation
An international team of researchers identified the neural circuit that dictates whether you will persevere or give up. This neural circuit may be responsible for why people perform better when they are hungry. The researchers conducted their study using fruit flies and found a small region in their brains that became highly active when the flies were starved. “Our experiments show […]
09/18/2020
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By Virgilio Marin
Forgotten dreams: REM sleep helps prevent information overload, explain scientists
Dreams are quickly forgotten the moment people wake up. This is likely due to a group of neurons that gets activated during rapid eye movement (REM) sleep – the phase of mammalian slumber when most dreams are made. A recent study published in the journal Science examined the neurons that produce appetite and sleep hormones in mice. Japanese and American […]
07/14/2020
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By Virgilio Marin
Why do sufferers of Alzheimer’s nap so much? Study suggests the disease kills the cells needed to stay awake
A study published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association found that in people with Alzheimer’s, tau proteins promote the degeneration of brain regions responsible for keeping people awake. This explains why excessive daytime napping is common among people with the disease and suggests that it could be an early sign of Alzheimer’s. Previous studies have explored […]
05/13/2020
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By Evangelyn Rodriguez
Immune cells ATTACK the aging brain and release a substance that hinders new nerve cell production, report scientists
One of the defining features of the brain that sets it apart from all other organs of the human body (except muscles) is that it is made up of cells that cannot regenerate. The nerve cells in the brain called neurons are terminally differentiated, meaning that, unlike skin cells or blood cells, they cannot reproduce. So […]
02/19/2020
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By Darnel Fernandez
Does our brain have an internal hunger switch? Researchers identify neurons that could “turn off” appetite
Eating is a basic activity performed by all living organisms. Yet there is still much to learn about it, especially how and why eating becomes disordered. The National Eating Disorder Association reports that up to 30 million people in the U.S. suffer from an eating disorder, such as overeating, undereating, anorexia or bulimia. But despite eating being more commonly […]
11/15/2019
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By Edsel Cook
Empathy is NOT unique to humans: Researchers discover that rats feel the pain of others, too
Rats share some behavioral traits with humans. Now, a new Dutch study claims that the animals also empathize with others and share their pain. When a person experiences physical pain, the cingulate cortex of the brain activates in response. This region also displays activity when the person sees another individual getting hurt. Researchers at the […]
11/07/2019
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By Melissa Smith
The emotional side of heart failure: Why do heart failure patients become depressed?
Heart failure leads to many complications, especially in the cardiovascular system, but research suggests it could also lead to mental health problems. Heart failure patients often suffer from depression and cognitive impairment, and researchers from Canada have uncovered why these problems occur. Their findings were published in the journal Scientific Reports. Researchers from the University of […]
11/05/2019
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By Edsel Cook
Which brain cells are active during deep sleep – and how do they affect memory formation?
There are neurons in the brain that activate during deep sleep to create memories. A new animal study showed that these brain cells might be the same as the ones responsible for investigating new objects. The experiment tracked the activity of single cells deep in the brains of both male and female mice as they […]
10/23/2019
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By Evangelyn Rodriguez
Major component of silymarin may help prevent Parkinson’s and Alzheimer’s
Silymarin is an herbal extract that’s popularly used as a health supplement. It is associated with liver benefits and is often taken by patients with hepatitis. Silymarin contains a mixture of various compounds, the most active of which is the flavonoid known as silibinin. In a study published in the Journal of Medicinal Food, researchers from different universities […]
10/23/2019
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By Melissa Smith
Your brain doesn’t stop growing – even in your 90s
Some experts believe that the brain stops producing new brain cells after childhood — but that’s not the case, according to a new study published in the journal Nature Medicine. This study suggests that the brain continues to grow even in your 90s. Researchers from Spain reached this conclusion after looking at the brain tissues […]
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