Tag: "light" at medical news
Impact of 2002 Canadian forest fires felt 700 miles away in Baltimore, Maryland
...earchers used satellite images, trajectory models, light
detection and ranging measurements to track emissi...ividuals in communities hundreds of miles away. In light
of the reported findings, the study authors suggest that health advisories that encourage people to ...
Stem cells to the rescue - or not?
...triated muscle diseases than BM-SP stem cells." In light
of these data, McNally and colleagues suggest that "active pursuit ofalternative approaches should be fully investigated as we advance into regenerative medicine."...
Molecular tailoring of chemotherapy with novel imaging techniques
...ein to give off the light." The imager detects the light
and captures its intensity to provide a measurement of the size of the tumor. "The bioluminescence imaging technology has provided a breakthrough that allows scientists to examine the size of a tumor in living mice with high sensitivity," says El-De...
Iris Murdoch's last novel reveals first signs of Alzheimer's disease
...way off from that cure, but every study that sheds light
on how Alzheimer's develops will ultimately help scientists to diagnose and treat patients at the earliest possible stages of this disease. "When I was first contacted about this study by the research team, I told them that I had felt all al...
University of Utah study suggests cellular waste to blame for a form of blinding eye disease
...he eye's retina and are responsible for converting light
into electrical impulses for transmitting messages... study's senior author. This process of converting light
to electrical signals in the retina requires a tremendous amount of energy which, in turn, creates w...
Study finds mental health needs of older adults substantially underserved
...o will risk a crisis in geriatric mental health in light
of the impending growth of the aging population and future projections of increased prevalence of mental disorders. The good news is that mental health treatments can and do help," said Karlin....
Pain relief could be easy with a simple injection
...he patients, who exhibited allodynia, or pain with light
touch, were given an initial "diagnostic" injection after which results were analyzed to determine if further treatments would be advantageous. This treatment consists of injections into the sympathetic nerves that run along the front side of the sp...
Rice engineers demo first T-ray endoscope
...es or T-rays, fall between microwaves and infrared light
in the least-explored region of the electromagnetic spectrum. Metals and other electrical conductors are opaque to T-rays, but they can penetrate plastic, vinyl, paper, dry timber and glass like X-rays. Unlike X-rays, T-rays are not hazardous radiati...
Researchers are studying photodynamic therapy
...g is applied. The second stage involves shining a light
or laser directly on the area treated with the drug. When the light
is combined with the drug, phototoxic reactions are induced which destroy bacterial cells. PDT was ...
Monitoring life, one breath at a time
...and erased electronically. When researchers shine light
on the polymer-coated nanotube transistors, electr...n the nanotubes. Because different polymers absorb light
differently, engineers can tune the device to work under specific light
waves. By changing the volta...
Designing an ultrasensitive 'optical nose' for chemicals
...micals in a gas sample based on the frequencies of light
they absorb. Other applications eventually may inc... laser beam is directed into the cavity, where the light
bounces back and forth many times. The repeated reflections increase the path length on which laser ...
Malnutrition in early years leads to low IQ and later antisocial behavior, USC study finds
...ng?" The study also casts antisocial behavior in a light
where it may be preventable. "There's more to antisocial behavior than nutrition, but we argue that it is an important missing link," Raine said. "Biology is not destiny. We can change the biological disposition to antisocial and aggressive behavior....
Angioplasty, robotically assisted keyhole bypass combo appears effective
...he mini-thoracotomy). The surgeon inserts a small light
into the chest through one hole and a camera through the other. Surgical instruments are used in the larger hole.The surgeon holds instrument-like tools connected to a computer. Observing the heart on a monitor, the surgeon performs the delicate mo...
News tips for Tuesday, November 9, 2004
...ing of disease severity, the researchers said. In light
of the potential discord between disease severity and parental perceptions, clinicians should be alert to parents' perspective to identify potential "psychosocial morbidity" in children with heart disease. 3 p.m. Abstract 1153 Experimental vacc...
Study reveals link between cardiovascular risk and cognitive decline
..." She says the results are particularly ominous in light
of the increasing rate of obesity among Americans. "If we keep going, not only is the obesity epidemic going to lead to people having more strokes and heart disease and diabetes, but maybe it will [mean] a lot more people having dementia." The ...
Study of Big Ten football injuries shows NCAA rule change did not reduce injury rates
...or lower than those of fall practices. In 1998, in light
of evidence that injury rates for collegiate spring football practice were significantly higher than injury rates for fall practices, the NCAA legislated a decrease in the number of scrimmages and full-contact practices allowed in the spring. The new...
Study will assess effect of tomato oil on precancerous prostate changes
...bulatory, capable of self-care and able to perform light
or sedentary work; be willing to limit intake of lycopene-containing foods, as well as supplements containing lycopene during the study period; have no prior cancer (except basal cell or squamous cell skin cancer) or complete remission for at least f...
Heart arrhythmias easily treated, yet few know risks
...hs when her heart started racing. "It was like a light
switch turning on," Sandra explained. "My heart would jump from 80 beats per minute to about 200 beats per minute." When she was younger and this occurred, Sandra could carry on a conversation and pretend nothing was happening. But as an adult, th...
Study: Physical activity in middle age cuts risk of early death
...ave shown the long-term benefits of exercise, even light
exercise, but this study allowed us to look across...ied, 15.2 percent led sedentary lives, engaging in light
activity such as walking less than once a month. Housework was not included as an activity. Another ...
Advances in plasma physics at Annual APS Meeting
...lasmas are formed in lightning strikes and produce light
in fluorescent bulbs. They are used to inscribe patterns in computer chips and other electronics, and are at the heart of the most promising nuclear fusion devices that may someday lead to an abundance of cheap, clean, and safe power sources. The APS...
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