Cheryl Maguire, The New York Times Published: 23 Feb 2021 01:49 PM BdST Updated: 23 Feb 2021 01:49 PM BdST Jessica McCabe s service dog-in-training, Chloe, retrieves her medicine in Seattle, Dec 22, 2020. The New York Times
Jessica McCabe, creator of the YouTube channel “How to ADHD,” is not a doctor or medical professional. At 38, she’s had a variety of professions including stand-up comedian, actor and restaurant server. ); }
Through all those years, she has been learning about attention deficit hyperactivity disorder, which she was diagnosed herself at the age of 12. Explaining that information is something she has done on her YouTube channel since 2016.
“Our brains are a piece of equipment we work with every day for everything that we do, so it’s critical to understand it,” she said.
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Understanding the dynamics of brain blood flow could hold key for treating neurologic conditions
While the human brain has over 400 miles of total vasculature, little is known about the tiny capillaries that make up much of this intricate labyrinth of blood vessels critical for delivering oxygenated blood and nutrients to billions of brain cells.
According to Dr. Andy Shih, a principal investigator in the Center for Developmental Biology and Regenerative Medicine at Seattle Children s Research Institute, understanding how this vast network regulates blood flow in the brain could hold the key to new treatments for neonatal and childhood neurologic conditions, such as stroke and hypoxia, and issues of aging like dementia and Alzheimer s disease.
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IMAGE: Neanderthal-ized brain organoids (left) look very different than modern human brain organoids (right) they have a distinctly different shape, and differ in the way their cells proliferate and how. view more
Credit: UC San Diego Health Sciences
As a professor of pediatrics and cellular and molecular medicine at University of California San Diego School of Medicine, Alysson R. Muotri, PhD, has long studied how the brain develops and what goes wrong in neurological disorders. For almost as long, he has also been curious about the evolution of the human brain what changed that makes us so different from preceding Neanderthals and Denisovans, our closest evolutionary relatives, now extinct?
Parents fret as screen time soars
The pandemic has driven children to spend more time using devices and less time in physical play.
Recent neuroimaging research suggests heavy use of certain video games may cause brain changes linked to addictive behaviours.
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The day after New Year s, John Reichert of Boulder, Colorado, had a heated argument with his 14-year-old son, James. I ve failed you as a father, he told the boy despairingly.
During the long months of lockdowns and shuttered schools, Reichert, like many parents, overlooked the vastly increasing time that his son was spending on video games and social media. Now, James, who used to focus his free time on mountain biking and playing basketball, devotes nearly all of his leisure hours – about 40 a week – to Xbox and his phone. During their argument, he pleaded with his father not to restrict access, calling his phone his whole life .