When a heart stops beating, blood stops flowing and delivering oxygen to the brain (hypoxia) and other vital organs (ischemia). There is a small window (about 4 minutes) before the lack of blood flow begins to damage the ...
In the 1920s, German chemist Otto Warburg discovered that cancer cells don't metabolize sugar the same way that healthy cells usually do. Since then, scientists have tried to figure out why cancer cells use this alternative ...
Jan 15, 2021
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Probiotic yogurts and pills promise better health, but the bacteria we ingest find a complex and challenging environment when they enter our gut. Food sources shift with every meal we eat, and the threat of pathogens is ever-present. ...
Nov 10, 2017
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Hailed as the ‘powerhouses’ of the cell in thousands of textbooks, mitochondria rightly have a reputation as essential pieces of cellular machinery. Find out more with this quick guide by Chrissie Giles.
Mar 27, 2012
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