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Category Archives: Medical
The phenomenon that makes hands change color
Reynaud’s phenomenon is a rare condition that affects the circulatory system. A lot of our color comes from the blood flowing under the skin. Messing around with that can make dramatic changes – like half a hand turning one color … Continue reading
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Did Joseph Merrick, known as “elephant man,” have Proteus Syndrome?
Joseph Merrick had, by all accounts, a short and miserable life in which he was displayed as a carnival attraction called “The Elephant Man.” He was always a subject of medical curiosity, but the cause of his condition has remained … Continue reading
Posted in History, Medical
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Ordinary heart cells become ‘biological pacemakers’ with injection of a single gene
Cedars-Sinai Heart Institute researchers have reprogrammed ordinary heart cells to become exact replicas of highly specialized pacemaker cells by injecting a single gene (Tbx18)–a major step forward in the decade-long search for a biological therapy to correct erratic and failing … Continue reading
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Could high insulin make you fat?
When we eat too much, obesity may develop as a result of chronically high insulin levels, not the other way around. That’s according to new evidence in mice reported in the December 4th Cell Metabolism, a Cell Press publication, which … Continue reading
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Mind-controlled permanently-attached prosthetic arm could revolutionize prosthetics
Researchers based at Chalmers University of Technology in Sweden have developed the world’s first thought-controlled, fully implantable robotic arm, which uses an amputee’s own nerves and remaining muscles to afford a much more intuitive level of control than previously possible. … Continue reading
Posted in Medical, Technology
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RNA-based vaccine could wipe out the flu forever
While traditional vaccines can offer annual protection from the latest flu strains, the viruses mutate and evolve so fast that we’re right back where we started the following year. That’s where a revolutionary new vaccine could change everything. Vaccines currently … Continue reading
Posted in Biology, Medical
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Wearable Breast Cancer Test Sees Tumors Before Doctors Can
When it comes to breast cancer, early detection is the key to survival. The trouble is that early detection systems like self checks and mammograms can’t detect tumors until they are around 1 cm, which is about the size of … Continue reading
Posted in Medical, Technology
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New type of electrotherapy makes implantable defibrillators less shocking
While regular pacemakers attempt to rectify arrhythmias (irregular heart beat rhythms) using constantly-delivered electric pulses, implantable cardioverter defibrillators do something a bit different. As long as everything stays normal, they don’t do any shocking – when they detect a dangerously … Continue reading
Posted in Medical, Technology
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DNA sequencing of MRSA used to stop outbreak
An outbreak of the hospital superbug MRSA has been brought to an end by UK doctors cracking the bacterium’s genetic code. It led to them finding one member of staff at Rosie Hospital, in Cambridge, who may have unwittingly carried and … Continue reading
Posted in Biology, Medical
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Injectable sponge delivers drugs, cells, and structure
Bioengineers at Harvard have developed a gel-based sponge that can be molded to any shape, loaded with drugs or stem cells, compressed to a fraction of its size, and delivered via injection. Once inside the body, it pops back to … Continue reading
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Edward Jenner
Edward Jenner was born in Berkeley, Gloucestershire on 18 May 1749, the son of the local vicar. At the age of 14, he was apprenticed to a local surgeon and then trained in London. In 1772, he returned to Berkeley … Continue reading
Posted in Biography, Medical
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Franklin Delano Roosevelt probably didn’t have polio after all
President Franklin Delano Roosevelt ended Prohibition, pulled the United States out of the Great Depression, and bolstered Allied Forces during World War II. He also suffered from paralysis, which was widely believed to have been caused by polio. After his … Continue reading
Posted in History, Medical
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New device could allow your heartbeat to power pacemaker
An experimental device converted energy from a beating heart to provide enough electricity to power a pacemaker, in a study presented at the American Heart Association’s Scientific Sessions 2012. The findings suggest that patients could power their pacemakers — eliminating the … Continue reading
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Mechanism Found for Destruction of Key Allergy-Inducing Complexes
Researchers have learned how a synthetic molecule destroys complexes that induce allergic responses — a discovery that could lead to the development of highly potent, rapidly acting interventions for a host of acute allergic reactions. The study, published online Oct. … Continue reading
Welcome to the strange world of a Bell’s palsy
By John Sudworth – BBC News, Shanghai After a lifetime of pretty much doing what I told it to do, one half of my face has decided to go on strike. From the left side of my forehead to the left … Continue reading
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Omega-3 supplements can boost cognitive performance
Scientists have suspected for some time that Omega-3 fatty acids — a common compound found in fish oil, grass-fed livestock, walnuts, flaxseeds, and beans — has a beneficial effect on brain health (including positive effects on cognition, behavior, and mood). And in … Continue reading
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Placebo’s Effect May Depend on Your Genes
Your response to placebos, or dummy medicine, may depend on your genes, according to a new study. People with a gene variant that codes for higher levels of the brain chemical dopamine respond better to placebos than those with the low-dopamine version. The … Continue reading
Posted in Medical, Science
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Urine flavor wheels
Back in the day, the medical analysis of urine relied on, well, a doctor’s five senses and superstition. But sometimes physicians needed a little extra help in divining the ramifications of some dubious tinkle. Enter the urine wheel, a diagram that … Continue reading
Posted in History, Medical
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New study finds brain tumors can arise from neurons
Researchers from the US and Japan have shown that an aggressive type of brain tumor can arise from normal cells in the central nervous system such as neurons. The cells revert to an earlier, undifferentiated stem cell stage, which can … Continue reading
Posted in Medical, Neuroscience
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25 year old Kaylee celebrates 25 years with new heart
The UK’s first baby heart transplant survivor is celebrating a quarter of a century since her historic operation. Kaylee Davidson-Olley, of Houghton-le-Spring, near Sunderland, was just five months old when she had the operation at Newcastle’s Freeman Hospital. To mark 25 … Continue reading
Posted in Medical, News
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