Sugars and fats are the primary fuels that power every cell, tissue and organ. For most cells, sugar is the energy source of choice, but when nutrients are scarce, such as during starvation or extreme exertion, cells will ...
Aug 13, 2020
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186
Scientists from Harvard Medical School and the CSIR-Centre for Cellular and Molecular Biology in Hyderabad, India, provide evidence that modern-day India is the result of recent population mixture among divergent demographic ...
Aug 8, 2013
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Heart attacks don't happen on a schedule. So how do patients fare if they suffer a heart attack while many cardiologists are away at academic meetings or research conferences?
Mar 9, 2018
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It's not cancer, but it grows and spreads to distant organs.
Feb 25, 2014
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When cancer arises in the body, it starts with tumor cells that rapidly grow and divide and eventually spread. But what enables these nascent tumor cells to dodge the body's immune system, which is built to identify and fend ...
Sep 29, 2022
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179
The elderly suffer more serious complications from infections and benefit less from vaccination than the general population. Scientists have long known that a weakened immune system is to blame but the exact mechanisms behind ...
Dec 13, 2018
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In an effort to predict future evolutionary maneuvers of SARS-CoV-2, a research team led by investigators at Harvard Medical School has identified several likely mutations that would allow the virus to evade immune defenses, ...
Dec 2, 2021
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466
(Medical Xpress)—The complications of uncontrolled diabetes are well recognized: nerve damage, kidney disease, blindness, and circulation problems that affect the extremities. The disease's impact on the brain, however, ...
Sep 10, 2013
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The ability to recognize faces is a complex neurocognitive skill with important social implications. The disorder, which, according to some estimates, affects more than 2 percent of the population, can lead to isolation and ...
Jul 10, 2020
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137
How many stars are there in the observable universe? It was once deemed an impossible question, but astronomers have gleaned an answer—about one billion trillion of them.
Aug 14, 2019
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