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Tag: "test" at medical news

Fingerprinting prostate cancer

...t than the current PSA (prostate specific antigen) test and can be used as a useful diagnostic tool....

Wonder drug - could end in disaster

...out. Drug trials, Dr Healy says, are designed to test whether a drug can treat a condition, not to uncover evidence of side effects. However, pharmaceutical companies argue that because no evidence of side effects has been uncovered, that proves their drugs are safe....

Vitamin B for Hepatitis

...ds of an infected person. A researcher decided to test thiamine for HBV after a very bright and aware patient observed that his aminotransferase levels rose and fell depending on whether he was taking the vitamin. High levels of aminotransferase enzymes indicate more active infection of the liver.// In...

Heart disease correlation to periodontal disease

...controls. Subgingival plaque samples were taken to test for the periodontal pathogens Porphyromonas gingivalis, Prevotella intermedia, Campylobacter recta and Bacteroides forsythus.// The researchers found that levels of C-reactive protein were correlated with severity of periodontal disease, after adju...

FDA's control is inherently weak

...1999, dwarfing the agency's ability to inspect the test sites. More worrisome, is that the FDA does not know how many such tests are not reported.// " It's a serious problem, it's growing, there needs to be something done about it right away," George Grob, a deputy HHS inspector general, said. In rece...

Hepatitis G May Boost HIV Survival

...o cause illness. Nearly 2% of healthy blood donors test positive for the virus, and more than one third of HIV-positive individuals may carry the virus. The findings may open the door to new types of HIV treatment with hepatitis G, researchers suggest. "We are working to try to understand the mechanism ...

Iron is a two sided sword

...niversity. They exposed human intestinal cells, in test tubes, to iron concentrations resembling those in food supplements. It is a reasonable model of what goes on in the body, for these cells take up iron from food and transport it into the bloodstream. The experiments show that when such cells are exp...

Avoid stress to have strong babies

...e. The researchers carried out ultrasound scans to test the blood flow through arteries. They found that those who were the most anxious during pregnancy had significantly abnormal blood flow patterns. A "resistance index" measurement was taken of the extent to which the blood flow was impaired.The rese...

Poisonous Parkinson's molecule discovered

...n Parkinson's disease. There is no firm diagnostic test for Parkinson's disease - the doctor has to rely o...r urine, this could form the basis of a diagnostic test for Parkinson's. And blocking its action could turn out to be a useful new form of therapy....

Short stature -a problem

...d near average IQs, and neither IQ nor achievement test scores changed with treatment. However, after hormone therapy behaviour problems improved. The children were less anxious, attention improved and they were more open. Dr Beens said: "There are several possible explanations for the improvements. "...

Fructose cause digestive problems

...// The researchers carried out a fructose breath test on 190 patients with unexplained gas, bloating and pain, 80 per cent of whom met criteria for IBS. In 70 per cent, methane and hydrogen were found in the breath analysis - both markers for fructose intolerance. More research is needed to confirm the ...

Detection of Cancer

A simple blood test which may allow the early detection of all forms o...s Pat, leader of the research team, said the blood test is based on a specific molecule which appears to be missing when cancers begin to develop."The lack ...

Benefit of colonoscopy

...that screening - either with a faecal occult blood test (FOBT), sigmoidoscopy or colonoscopy - should start at age 50 and earlier in those with a family history of colon cancer. // But it has not been clear at what age the screening should stop. Researchers at the Texas Clinic Foundation have analysed re...

Deep Sleep Doesn't Increase Memory

Students who go to bed early to be ready for a big test the next day might be missing the mark, according to a study to be released Friday by a San Fernando Valley researcher that finds a good night's sleep does not increase memory. // REM sleep is a deep sleep during which an individual's eyes dart r...

Why running noses are a good thing

... doctors who wonder how to tell which is which. No test will reveal anthrax exposure or predict who might develop anthrax in the near future. Nasal swabs, if given soon enough, can help show whether anthrax was present in a particular location, but they do not tell doctors anything about an individual's r...

Gene Therapy Destroys Pancreatic Cancer Cells

...e to destroy deadly pancreatic cancer cells in the test tube and in lab animals. // The work was led by Dr. Paul B. Fisher, a professor of clinical pathology at Columbia. Researchers were interested in using a tumor-stopping protein from a newly discovered gene known as mda-7, which has been found effec...

Older men 'father' schizophrenics

...r chromosomal changes, and are therefore easier to test for. Schizophrenia is the most common serious mental illness. It affects one person in a hundred at some time in their life, and the rate is the same in every country.Most people are affected when they are in their late teens or early 20s, though i...

More about HIV

... 4 weeks or longer. At this point, an HIV antibody test may not be positive. The immune system begins to respond by producing antibodies and cytotoxic lymphocytes.Stage II: Clinically Asymptomatic Stage. Patients in this stage are free from AIDS symptoms for an average of ten years. HIV in the blood may d...

Early Clue to Down Syndrome

...he disorder, such as a mother's advancing age, the test is even more accurate at catching affected fetuses. Dr. Kypros Nicolaides, a fetal medicine specialist at King's College, in London, says no other tests available to doctors approach the face picture's ability to detect Down syndrome. "The bone is ...

Breakfast improves memory

... source - did better than the controls on a memory test carried out 10 minutes later. An hour later, differences between the nutrient content were seen - those taking in the carbohydrate did best, followed by those whose calories came from fat. Given that complex carbohydrates have other health benefits...

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