Tag: "substances" at medical news

Alcohol and drug treatment among HMO patients

...just poor people who get into serious trouble with substances like cocaine and heroin. Even among 'nice' middle... without private insurance), and populations where substances other than alcohol were the focus. "This is a managed care population," she said, "most of whom are ...

Studies find eating fruits and vegetables good for lungs

... nutrients to clearly identify the most beneficial substances and clarify some of the mechanisms of action, there is reasonable scientific evidence indicating a positive effect of dietary supplementation of certain nutrients in high risk populations," she said. "It is both good public health policy and preventi...

Study offers hope for chocolate-loving reflux disease sufferers

...rom GERD, the sphincter acts as a valve and allows substances to go from the esophagus down to the stomach only....oes not function properly, allowing acid and other substances in the stomach to pass back up to the esophagus. The researchers found that chocolate significantly ...

USC study shows teens with type 1 diabetes already face clogging arteries

... suggest that physicians look closely at levels of substances in the blood such as LDL in those with insulin-dependent diabetes, even at an early age. (Physicians frequently suggest that adults with similar characteristicssuch as those with high LDL levelsincrease exercise, change their diet, and if necessary, ...

Landmark dialysis study findings could greatly simplify treatment of kidney disease with peritoneal dialysis

... peritoneal dialysis helps to clear these unwanted substances through the peritoneal membrane, commonly measured in terms of small solute clearances like urea and creatinine. This membrane, located in the abdominal region, serves as the therapy's natural waste filter and is a substitute for the role healthy ki...

New recommendations proposed for safe use of herbal medications by patients having surgery

...d in detail prior to surgery. "While most of these substances appear to be safe for healthy people, for surgical patients they can affect sedation, pain control, bleeding, heart function, metabolism, immunity and recovery in ways that we are just beginning to understand," said study author Chun-Su Yuan , M.D.,...

Biomolecule studied for medical uses

...egrade in the body. The tree-like, globular-shaped substances are being evaluated for a variety of medical uses. Called biodendrimers, these structures are prepared by systematically reacting acids with alcohols to form what chemists call "esters." The results are branching molecular chains with finger-like en...

The immune system and Alzheimers disease

...ce CC chemokines. In laboratory experiments, these substances attract new surrounding cells. Two types of brain...ts have shown that astrocytes do not produce toxic substances and that they in fact slow down the macrophages. About 180,000 people in the Netherlands suffer fro...

Initial clinical study shows safety and bioactivity of cancer vaccine

... activate the immune system by capturing antigens substances that trigger an immune response, such as against a virus, bacteria or tumor and presenting them to the body's killer cells, called "T cells." The vaccine created in the Duke study introduces genetic information from a prostate cancer patient's own d...

CRP provides another reason to lose weight and gain heart health

...ise the amount of cytokines and other inflammatory substances that can contribute to artery clogging, increasing the risk for heart disease. The new study provides more evidence that weight loss may be an effective way to reduce inflammation and thus reduce heart attack risk, says Tchernof. Co-authors of the s...

Steroid nasal spray more effective against hay fever

...Singulair, which works by blocking leukotrienes -- substances that trigger inflammation -- costs $4 per day. Flonase, the leading prescription nasal spray, costs $2.21 per day. Since loratidine and montelukast are effective alone and act through different mechanisms, the makers of these drugs joined forces to...

Alcohol and nicotine: A deadly duo

...se in the nucleus accumbens. They found that both substances resulted in a dose-dependent increase in DA releas...the normal movements of alcohol and other ingested substances through the stomach and gut, there is a greater opportunity for alcohol to be metabolized before eve...

Aggressive ovarian cancer may be linked to blood disorder

...s in the bone marrow, but cancer cells may secrete substances that induce the marrow to produce platelets in excessively large quantities. In turn, platelets may then produce factors that cause cancer cells to grow or spread. To determine whether thrombocytosis played a role in ovarian cancer tumor growth and...

As heart patients flock to alternative medicine, hazards may lurk

...he study. But they may not know that some of these substances could pose a hazard when taken with certain heart medications, and if they dont tell their doctors, the risk may go undetected. We need to encourage patients to be cautious, learn the risks, and share information with their health care providers. The...

Study shows synthetic pheromone in womens perfume increases intimate contact with men

...d not wear the pheromone. Pheromones are chemical substances secreted externally to cause a change in the reproductive behavior of another person and can directly stimulate a man's sexual behavior through olfactory sensors processing information. Either the olfactory epithelium or the vomeronasal organ, which ...

Emory studies COGNIShunt device for Alzheimer's treatment

... "Past research shows that toxic and inflammatory substances are found in the cerebrospinal fluid of Alzheimers patients, which in turn, may lead to brain cell damage," says Allan Levey, M.D., Ph.D., professor of neurology, Emory University School of Medicine and principal investigator of the Emory study. "We...

Hormone-rich shampoos

... remains limited. There are too many other suspect substances to pin the blame on them without further studies. "A person isn't exposed to just one chemical, but rather a mix of many," says Julia Brody, director of the Silent Spring Institute in Massachusetts, a non-profit organisation that looks at the environ...

Vitamin C may help 'juice up' metabolism in older adults, offsetting weight gain

...cts of oxygen free radicals by giving older adults substances known as anti-oxidants, said Bell. The body produces an abundance of anti-oxidants when we are young, but as we age, the production goes down. This increases the importance of healthy eating for older adults because foods such as fruit and vegetabl...

Genetic connection in link between permanent hair dye use and bladder cancer risk

...ontained in hair dye solutions as the carcinogenic substances responsible for bladder cancer development in the users of these dyes."Early in 2001, USC preventive medicine researchers reported that women who use permanent dyes at least once a month for one year or longer have twice the risk of bladder cancer as...

Simple intervention improves quality of dialysis treatment

...y and pumped into a machine that filters out toxic substances from the blood and then returns the purified blood to the person. The researchers, led by Ashwini Sehgal, M.D., from the Case Western Reserve University School of Medicine, identified three barriers to adequate dialysis, showed that it is possible to...

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