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— Medical

Modified Salmonella eats away at cancer, without a side order of food poisoning

By - April 15, 2015
Though generally a bacteria we'd associate with a severe bout of food poisoning, previous research has suggested that Salmonella needn't always bring bad news and stomach cramps. Certain strains have been shown to kill off cancer cells, but to use them as a form of treatment for humans without inducing any nasty side effects has so far proven difficult. But now, researchers have developed genetically modified salmonella that turns toxic only after it enters a tumor. Read More
— Medical

Medtronic announces world's smallest pacemaker

By - April 14, 2015
Two years ago we heard about the Nanostim, a pacemaker that's less than 10 percent the size of a regular model. While it's pretty darn small, Medtronic's just-announced Micra TPS (Transcatheter Pacing System) is reportedly even tinier. Billed as the world's smallest pacemaker, it's described as being the size of a large vitamin capsule – and it can be implanted using a catheter. Read More
— Medical

Breast tissue provides clues to avoid effects of aging

By - April 9, 2015
Our tissue's inability to repair itself as we grow older is thought to correlate with the decline in the presence of stem cells. So it follows that if stem cell function can be preserved beyond the norm, it could have implications for the aging process and adverse effects of tissue degeneration, such as cancer. Scientists from the University of Toronto have followed this line of thinking through research on the mammary glands of genetically modified mice, finding that development of the tissue can be manipulated to avoid the effects of aging. Read More
— Medical

MRI-based cancer detection technique could replace biopsies

By - March 30, 2015 2 Pictures
While non-invasive imaging technologies, such as mammograms or CT scans, are capable of detecting tumors, identifying whether they are malignant or benign usually involves getting out the scalpel and conducting a biopsy. Now researchers at Johns Hopkins University have developed a technique that uses magnetic resonance imaging (MRI) to noninvasively detect cancerous cells, offering the potential of supplementing biopsies or maybe one day replacing them altogether. Read More
— Medical

Nanoparticles help wounds to heal 50 percent faster

By - March 30, 2015 2 Pictures
An experimental nanoparticle therapy cuts in half the time wounds take to heal compared to natural healing. The therapy has already been tested successfully in mice and will soon be tried on pigs, whose skin is similar to that of humans. If it reaches clinical use in humans, this sort of nanoparticle therapy could be used to speed healing of surgical incisions, chronic skin ulcers, and everyday cuts and burns and other wounds. Read More
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