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| Medicine articles |
Didgeridoo playing improves your sleep
Regular didgeridoo playing reduces snoring and daytime sleepiness, finds a study published online by the BMJ.
Bigger brain size matters for intellectual ability
Brain size matters for intellectual ability and bigger is better, McMaster University researchers have found.
New neurons take baby steps in the adult brain
In experiments with mice, scientists from Johns Hopkins' Institute for Cell Engineering have discovered the steps required to integrate new neurons into the brain's existing operations.
Shape of glass influences how much alcohol is poured – and how much you will drink
When pouring liquor, even professional bartenders unintentionally pour 20 to 30 percent more into short, squat glasses than into tall, thin ones, according to a new Cornell University study.
Researchers develop new method for studying 'mental time travel'
Neuroscientists at Princeton University have developed a new way of tracking people's mental state as they think back to previous events -- a process that has been described as "mental time travel.
Why we give
A groundbreaking new study examines the origins of holiday giving and finds that our early human ancestors were frequently altruistic.
Virtual reality could help diagnose heart conditions
Virtual reality that allows doctors to visualise the heart in three dimensions could help in the diagnosis of heart conditions. A pilot study published in the open access journal Cardiovascular Ultrasound reveals that doctors can diagnose heart conditions quickly and easily from virtual three-dimensional animated images or 'holograms' of the heart. Three-dimensional (3D) holograms allow doctors to 'dive' into the beating heart and see interior parts of the organ.
Study finds hyperbaric oxygen treatments mobilize stem cells
According to a study to be published in the American Journal of Physiology-Heart and Circulation Physiology, a typical course of hyperbaric oxygen treatments increases by eight-fold the number of stem cells circulating in a patient's body. Stem cells, also called progenitor cells are crucial to injury repair.
New technique points to safer, more efficient vaccination
Researchers have demonstrated a technique that has the potential to reduce the toxicity of vaccines and to make smaller doses more effective, according to a study published in PLoS Pathogens.
Scientists discover mechanism tying obesity to Alzheimer's disease
If heart disease and diabetes aren't bad enough, now comes another reason to watch your weight. According to a study just released, packing on too many pounds can increase the risk of developing Alzheimer's disease.
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That not-too familiar voice could be selling you something
New research reveals that television commercials featuring celebrity voice-overs are most influential when consumers can't identify which actor it belongs to.
New procedure reveals the secrets of the brain
Scientists from the MPI for Biological Cybernetics in Tübingen have developed a new procedure which accurately maps the activity in primate brains by means of the BOLD-Signal (Blood Oxygen Level Dependent Signal). The combination of electrical microstimulation and FMRT promises substantially more precise insights into the functional organisation or the brain and its circuitry.
What can change in the brain? electrical synapses, research shows
The brain's ability to reorganize itself - strengthening or weakening connections between neurons or adding or subtracting those connections - allows it to form memories, make transitions between sleep and waking, and focus attention on objects of interest.
Researchers discover potential mechanism for tumor growth
Researchers at Columbia University Medical Center have identified an inherent feature of stem and progenitor cells that may promote initiation and progression of cancerous tumors.
Inflammation linked to chronic pain
An inflamed injury may increase levels of a protein responsible for persistent pain, causing the brain to mimic pain long after source has disappeared, say U of T researchers. The findings could have serious implications for the millions who suffer from chronic pain.
Where your brain wires itself to like (name your favorite brand)
People come to prefer particular foods in large part by learning to associate that food with a predictive representation of the value of that food. Sometimes, those predictive associations can be with something as arbitrary as a name brand.
Turn down that radio! years of loud noise may lead to tumor
New research suggests that years of repeated exposure to loud noise increases the risk of developing a non-cancerous tumor that could cause hearing loss.
Losing sleep undoes the rejuvenating effects new learning has on the brain
As the pace of life quickens and it becomes harder to balance home and work, many people meet their obligations by getting less sleep.
A clue from macaques yields evidence for impaired retroviral defense genes in humans
Researchers Harmit Malik and Michael Emerman and colleagues at the Fred Hutchinson Cancer Research Center have found that a surprisingly large fraction of humans may be impaired in the function of a recently discovered arm of the body's defense against invading retroviruses such as HIV.
Taking a taxi could increase your exposure to pollution
Researchers have discovered that your level of exposure to pollution can vary according to what method of transport you use, with travelling by taxis resulting in the highest levels of exposure and walking the least.
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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