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Total 35 results found since Jan 2013.
In search of the stroke detector
Up to 50% of stroke diagnoses are inaccurate. What if a small biosensor could do the job precisely? Robert McCrum, who survived a ‘brain attack’ 22 years ago, traces one team’s long journey to a breakthroughStroke, or “brain attack”, is the third biggest killer in the western world, after cancer and heart failure. The life-changing effects associated with this simple, Anglo-Saxon word are readily explained: a stroke occurs when the blood supply to the brain is disrupted by a blood vessel either bursting or blocking, so that the part of the brain supplied by this blood vessel dies.The brain is a much more com...
Source: Guardian Unlimited Science - January 22, 2017 Category: Science Authors: Robert McCrum Tags: Medical research Health NHS Biochemistry and molecular biology Neuroscience Society Source Type: news
Can You Think Yourself Into A Different Person?
For years she had tried to be the perfect wife and mother but now, divorced, with two sons, having gone through another break-up and in despair about her future, she felt as if she’d failed at it all, and she was tired of it. On 6 June 2007 Debbie Hampton, of Greensboro, North Carolina, took an overdose of more than 90 pills – a combination of ten different prescription drugs, some of which she’d stolen from a neighbor’s bedside cabinet. That afternoon, she’d written a note on her computer: “I’ve screwed up this life so bad that there is no place here for me and nothing I can contr...
Source: Science - The Huffington Post - November 19, 2015 Category: Science Source Type: news
Stem Cells for Cell-Based Therapies
The world of stem cells
We know the human body comprises many cell types (e.g., blood cells, skin cells, cervical cells), but we often forget to appreciate that all of these different cell types arose from a single cell—the fertilized egg. A host of sequential, awe-inspiring events occur between the fertilization of an egg and the formation of a new individual:
Embryonic stem (ES) cells are also called totipotent cells.
The first steps involve making more cells by simple cell division: one cell becomes two cells; two cells become four cells, etc.
Each cell of early development is undifferentiated; that is, it is...
Source: ActionBioscience - December 28, 2012 Category: Science Authors: Ali Hochberg Source Type: news
Hacking The Nervous System
(Photo: © Job Boot)
One nerve connects your vital organs, sensing and shaping your health. If we learn to control it, the future of medicine will be electric.When Maria Vrind, a former gymnast from Volendam in the Netherlands, found that the only way she could put her socks on in the morning was to lie on her back with her feet in the air, she had to accept that things had reached a crisis point. “I had become so stiff I couldn’t stand up,” she says. “It was a great shock because I’m such an active person.”It was 1993. Vrind was in her late 40s and working two jobs, athletics coach and a carer for disabled ...
Source: Science - The Huffington Post - May 30, 2015 Category: Science Source Type: news
7 Keys To A Happy, Healthy Brain
Why are some people sharp as a tack at 95 years old, while others begin struggling with mental clarity in their 50s?
A lot of it has to do with genetics, but certain lifestyle factors also play an important role in how our brain ages. So while you can't control your genes, you can take advantage of the latest science to keep your grey cells strong:
Get your olive oil
Foods high in sugar, unhealthy fats and processed foods -- i.e., the typical American diet -- can wreak havoc on your brain over time. Studies have shown that excess sugar consumption can impair learning and memory, and increase your vulnerability to neurod...
Source: Science - The Huffington Post - September 26, 2015 Category: Science Source Type: news
Pinkies Up! There Could Be Some Real Health Benefits To Drinking Tea
Tea gets short shrift as coffee’s milder little sister. But these leaves may have a lot more to offer drinkers than just their subtle taste. Large, observational studies have found lifelong tea drinkers are less likely to face early cognitive decline and get certain types of cancer, stroke, coronary heart disease, and type 2 diabetes. We should also note that by “tea,” we mean the leaves from the Camellia sinensis plant that are plucked and processed in different ways to make black, green, white, oolong and pu’er teas -- not herbal infusions like peppermint, hibiscus and chamomile teas. Researchers ...
Source: Science - The Huffington Post - March 25, 2016 Category: Science Source Type: news
Can ‘toxic’ bilirubin treat a variety of illnesses?
Generations of medical and biology students have been instilled with a dim view of bilirubin. Spawned when the body trashes old red blood cells, the molecule is harmful refuse and a sign of illness. High blood levels cause jaundice, which turns the eyes and skin yellow and can signal liver trouble. Newborns can’t process the compound, and although high levels normally subside, a persistent surplus can cause brain damage.
Yet later this year up to 40 healthy Australian volunteers may begin receiving infusions of the supposedly good-for-nothing molecule. They will be participating in a phase 1 safety trial, sponsored ...
Source: ScienceNOW - June 8, 2023 Category: Science Source Type: news
Why acupuncture is giving sceptics the needle
Acupuncture has been prescribed by half of Britain's doctors, but after 3,000 clinical trials its efficacy remains unproven. So is the NHS making a grave error in supporting this ancient treatment?• Are vitamin pills a sham? Q&A with Dr. Paul OffitYou can't get crystal healing on the NHS. The Department of Health doesn't fund faith healing. And most doctors believe magnets are best stuck on fridges, not patients. But ask for a treatment in which an expert examines your tongue, smells your skin and tries to unblock the flow of life force running through your body with needles and the NHS will be happy to oblige.The govern...
Source: Guardian Unlimited Science - July 26, 2013 Category: Science Authors: David Derbyshire Tags: Culture Health Science and scepticism Features NHS Alternative medicine The Observer Source Type: news
Inhaled Stem Cells Might Replace Lost Neurons
Many diseases of the central nervous system involve the death of neurons--so, theoretically, the replacement of dead cells should improve symptoms of degenerative disorders such as Parkinson's, Huntington's, amyotrophic lateral sclerosis (ALS) and Alzheimer's, as well as stroke and brain tumors. Stem cell therapy may do just that even though evidence of its effectiveness is mixed. [More]
Source: Scientific American - Official RSS Feed - October 19, 2013 Category: Science Tags: Health,Health,Pharmaceuticals,Biotechnology,Biotechnology,Medical Technology,Biology,More Science Source Type: research
Music gives people a voice when words fail them at the end of their lives | Bob Heath
A music therapist describes how improvising songs can open a vital channel of communication in palliative careAll that was dear to me, down below the seaI cannot hold this piece of driftwoodWhen life abandons meLiz, a patient at the Sobell House hospice, 2013In palliative care, when clients and their therapists get to know one another they do so with a shared knowledge, whether voiced or not, that while both of them are going to die eventually, at least one of them is going to be doing it very soon.The relationship between client and therapist is always unique. And whatever you may think about "therapy", all (or most) of i...
Source: Guardian Unlimited Science - November 5, 2013 Category: Science Tags: Psychology theguardian.com Music Health Medical research & wellbeing Society Life and style Editorial Science Source Type: news
Dementia research funding should be on same footing as cancer, says charity
This article was amended on Wednesday 11 December 2013. Alzheizmer's Research Trust is now called Alzheimer's Research UK. This has been corrected.DementiaMental healthMedical researchHaroon Siddiquetheguardian.com © 2013 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our Terms & Conditions | More Feeds
Source: Guardian Unlimited Science - December 11, 2013 Category: Science Authors: Haroon Siddique Tags: The Guardian Mental health News Medical research Society Dementia UK news Science Source Type: news
No pain, no gain? Getting the most out of exercise
Staying in shape has all sorts of benefits, from maintaining heart health to warding off dementia and cancerInactivity – fuelled by cars and a sedentary work life – has been dubbed the biggest public health problem of the 21st century, a global pandemic with dramatic impact on peoples wellbeing. The latest reports suggest that around the world it was responsible for 5.3 million deaths in 2008 – around one in 10 – more deaths than smoking.Not only does exercise make you fitter, it can also ward off numerous and often unexpected diseases, from heart attacks, to diabetes, some forms of cancer and dementia. There are t...
Source: Guardian Unlimited Science - January 13, 2014 Category: Science Authors: Catherine de Lange Tags: Cycling Fitness Sport Running Transport Yoga Weightlifting Features UK news Life and style Cycle hire schemes The Observer Swimming Science Source Type: news
Do No Harm: Stories of Life, Death and Brain Surgery review
Patients see neurosurgeons as gods, but what is the reality? Henry Marsh has written a memoir of startling candourWe go to doctors for help and healing; we don't expect them to make us worse. Most people know the aphorism taught to medical students, attributed to the ancient Greek Hippocrates but timeless in its quiet sanity: "First, do no harm." But many medical treatments do cause harm: learning how to navigate the risks of drug therapies, as well as the catastrophic consequences of botched or inadvised surgical operations, is a big part of why training doctors takes so long. Even the simplest of therapies carries the ri...
Source: Guardian Unlimited Science - March 19, 2014 Category: Science Authors: Gavin Francis Tags: The Guardian Private healthcare Culture Society Reviews Books Neuroscience UK news Hospitals NHS Source Type: news
MRI reveals genetic activity: Deciphering genes' roles in learning and memory
Doctors commonly use magnetic resonance imaging (MRI) to diagnose tumors, damage from stroke, and many other medical conditions. Neuroscientists also rely on it as a research tool for identifying parts of the brain that carry out different cognitive functions. Now, biological engineers are trying to adapt MRI to a much smaller scale, allowing researchers to visualize gene activity inside the brains of living animals.
Source: ScienceDaily Headlines - March 25, 2014 Category: Science Source Type: news
Binding environment of an Hv1 blocker Pharmacology
The voltage-gated proton channel Hv1 plays important roles in proton extrusion, pH homeostasis, and production of reactive oxygen species in a variety of cell types. Excessive Hv1 activity increases proliferation and invasiveness in cancer cells and worsens brain damage in ischemic stroke. The channel is composed of two subunits, each...
Source: Proceedings of the National Academy of Sciences - July 8, 2014 Category: Science Authors: Hong, L., Kim, I. H., Tombola, F. Tags: Biological Sciences Source Type: research
