Tag: "substance" at medical news

Shark-Liver Substance May Slow Growth Of Brain Tumors

...s Hopkins animal studies show that a natural shark substance nearly stops the growth of new blood vessels that ... vice president of Magainin. Brain cancer causes a substance known as vascular endothelial growth factor (VEGF) to bind to cells lining brain blood vessels. VEGF...

Maternal Exposure To Crack Cocaine Produces Stressed Newborns

...scientifically valid findings about the effects of substance exposure in thewomb. "Newborns who were exposed to crack looked like normal babies but didn't actlike them," said Beata Napiorkowski, the lead author of the Brown study, whichappears in the July issue of the journal Pediatrics. "Cocaine-exposedinf...

Partial Liquid Breathing Improves Lung Function, Chances of Survival in Sick Preemies

...se tiny babies have yet to secrete surfactant, the substance that prevents the air sacs from collapsing. Conventional therapy for this condition -- increasing the pressure and oxygen concentration inside the lung in an effort to force more oxygen into the blood stream -- can cause permanent lung damage and r...

Rape Victims Find Relief From Posttraumatic Stress Using The Antidepressant Zoloft.

...ns with PTSD is complicated by a high incidence of substance abuse inthat population. "There is a striking similarity of response to different trauma includingcombat, rape, accidents, and disasters," the authors write. "Many peoplerespond to a life threatening trauma with acute symptoms of posttraumaticstress ...

Program Provides Treatment For Prison-Released HIV-Positive Women

...ydisability. Twenty-one of 31 women entered into a substance abuse treatmentprogram after release. Of the 14 wo...uently lack primary medicaland gynecological care, substance abuse treatment and psychological and socialsupport. The Brown University AIDS program, with the Rho...

Researchers Gain Insights Into Drugs Used For Manic-Depression

...vels of IP3, which is associated withcalcium, the substance that controls many physiological processes. "Lithium probably normalizes mood swings by helping shift the levelof calcium more toward normal when levels are either abnormally high duringmania or low during depression," he said. "This seems t...

Substance from Grapefruit Juice May Make Medications Safer

...is important because it narrows the search for the substance in grapefruit juice that is responsible for its effects on drug metabolism. Isolating this substance could enable manufacturers to produce safer and more effective medications. One of the most interes...

The Condom Conundrum--How Are We Going To Teach Safe Behavior If Parents Are Afraid To Talk To Their Children About Sex?

...hat it is harder for adults to talk about sex than substance abuse. Parents don't talk about sex with their children," says Diane Morrison, a University of Washington research associate professor of social work who studies public health issues and the consequences of risky behavior. It is especially hard, she ...

Study Injects New Interest In How Vaccines Work

... production of antibodies, the tiny amounts of the substance used in vaccines made it impossible to track or an...ated from the body and to track the amounts of the substance that remained in vaccinated tissue over a period of time. They developed a series of rabbit vaccines...

Milk Extract May Heal Wounds And Smooth Wrinkles

...act provessuccessful, he says, it will be the only substance of its kind in the world. "There's nothing on the market which actually stimulates wound repair,"he says. However, Dr Belford emphasises that the extract still has to pass humanclinical trials, and is unlikely to be commercially available before th...

Rats Receiving Ginkgo Biloba Learn Quicker, Live 20 Percent Longer Than Controls, UB Study Finds

...ation of positive effects of EGb 761 in animals, a substance for which abundant evidence exists of at least a modestly beneficial clinical effect in humans, is encouraging on both points," Winter said. "The challenge now is to identify, from this mix of perhaps 200 chemicals, which chemical or chemicals are p...

Bi-Monthly Boosts Of Aspirin Benefit Heart

...her their platelets are affected by thestimulatory substance produced by red blood cells. That way aspirin treatmentcan be more tailored, and those who don't require the larger bi-monthy boostercan avoid it. Such tests are available in the research setting, but willeventually be used at the bedside....

Researchers Study 'Natural' Screen For Cancer

...nt is "illuminated," with blue filtered light. The substance intensifies onareas where cancer is present, even in its earliest stages. "Tumors are greedy," says Rawicz. "Cancer cells grow fast and eat more,and tend to accumulate more of the hypericin -- even 10 times more than normalcells -- so once it...

Researchers Identify Biochemically Distinct Pain Phenomena, Conclude Better Pain Relief At Lower Morphine Doses Is Possible

...oped a"knockout" strain of mice lacking a gene for substance P and neurokinin A, twomembers of a different clas...nsepain. The research team concluded that substance P or neurokinin A -- or both-- are needed to transmit moderate or more intense pain signals in a var...

UF Psychiatrists Use Antidepressants To Treat Smoking Addiction

...smoking, setting the stage for relapse, reports UF substance abuse expert Dr. Mark Gold in an article on tobacco smoking and nicotine dependence in the current edition of the "Journal of Addictive Diseases." As a result, many people who try to quit report feeling irritable, moody and even depressed, s...

Polish Dumpling-Like Particle Has Potential In Drug Delivery

... of their knedel's core from a glassy to a rubbery substance similar to the interior of a golf ball. Additionally, this core can be hollowed out, creating a capsule into which large amounts of drugs -- or DNA, for gene therapy -- may be loaded for delivery. Huang presented a talk on the advance at the Sprin...

Metrifonate, A New Alzheimer Drug, Helps Behavior Problems

.... Test scores of thepatients who took the inactive substance declined progressively during thestudy, whereas those of patients who took metrifonate remained steady. "For the first time, aspects of behavior that can be most troublesomefor many Alzheimer patients, such as hallucinations and agitation, w...

18 Millionth Chemical Substance Entered In World's Largest Database Of ChemicalInformation

..., or otherimportant discoveries.) The 18 millionth substance was registered on June 15, 1998, selected from aWorld Intellectual Property Organization patent application of April 30, 1998from Merck & Co., Inc. Chemical Abstracts Service is a division of the American Chemical Society, theworld's largest scientif...

Answers To Access, Adherence And Tolerance Of Protease Inhibitors

... therapy, except for thosepatients who have active substance abuse or alcohol problems, says another studyStone will present Wednesday, July 1. Although they can stick to treatment, women, minorities and patients with lesseducation are less likely to be offered potent drug cocktails containingprotease inhibito...

Scientists Report Cancer Fighting Drug As Possible Treatment For Multiple Sclerosis

...ttack against its owntissues, specifically a fatty substance called myelin that surrounds nervefibers in the brain, spinal cord and optic nerves, where it acts as aninsulator. Myelin allows for the speedy conduction of nerve impulses that conveyinformation in the CNS. When myelin is damaged, the nerve fibers a...

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