Microbes our enemy and friend The human body hosts more than ten thousand different kinds of microbes. Most of these bacteria aren’t harmful – in fact, many of them actually aid the immune system. Microbiota and the healthy brain Within the first few days of life, humans are colonized by commensal intestinal microbiota. Review ofContinue reading “Bacteria in our cells can be our friend and enemy”
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Cancer toll of CT Scans
Each year more than four million CT scans are performed on children, and they are increasing the risk for future cancer, a new study suggests. Researchers writing online last month in JAMA Pediatrics counted the number of CT scans performed on children under 15 from 1996 to 2010 in seven American health care systems, andContinue reading “Cancer toll of CT Scans”