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Tag: "theory" at medical news

Genetic tests for cancer

...are important, given that genetic testing can - in theory - be done 'over the counter'. That is, you could buy a kit and test for a cancer gene. But without your family history and counselling you would not be able to interpret your individual risk of cancer. That's why the UK Human Genetics Commission is n...

Cleanliness might lead to Asthma

... The researchers believe their results support the theory that improvements in public health and hygiene over the past century may have increased the predisposition to allergies and asthma among children. They write, these findings suggest that environmental exposure to microbial products, as measured by th...

Regular exercise linked to extended menstrual cycles

...n her menstrual periods. The research supports one theory on why regular physical activity has been linked to a lower breast cancer risk. //Some evidence suggests that hormonal changes brought on by exercise may help lower the chances of breast cancer developing. However, the authors of the new study point...

Stretching the muscles doesn't make them more resilient

...unused muscles going into painful spasm. The spasm theory turned out to be wrong, but the stretching habit stuck. It is one of the “many superstitions about how to prevent injury and improve performance”, comments physiotherapist Rob Herbert of the University of Sydney, Australia. Herbert and his colleagues...

A new male contraceptive

...ds essential for male fertility. They tested their theory in an animal study involving mice. The mice were given doses of the drug that were 10-times lower than those used to treat Gaucher's. The drug effectively altered the mice's sperm so that they were rendered completely infertile for up to six months. ...

Old theory of adaptation confirmed by new study

The adaptation theory that came up in 1971 argued that people react to g...rbana-Champaign, France and England confirmed this theory based on a study conducted to evaluate the effects of marital transitions on life satisfaction. 24,0...

Stem cells offer hope for muscular dystrophy

...who worked on the study. The experiment proves a theory but some real-world stumbling blocks remain. For instance, the approach would work best if a patient's own mesoangioblasts were used, but these cells have so far only been isolated from fetuses. "I'm convinced this is an important result, but this is...

Dad's Age Affects Baby

...hrenia or not. These findings lend support to the theory that de novo mutations, possibly linked to the X chromosome and associated with increased parental age, may be responsible for some cases of schizophrenia. The X chromosome contains many genes expressed in the central nervous system and the gene for ...

Music Makes you Smarter

...e years were the best at verbal memory tests. The theory behind the findings is that musical training stimulates an area of the brain that is also responsible for recall. Researchers say, "Such diverse evidence strongly implies that music training somehow brings about changes in the cortical organization s...

Good carb, bad carb? Experts debate.

...ing so fat. We overeat because we are hungry, the theory goes, and we are hungry because of what we have been told to eat, which is too much fast-burning food that plays havoc with metabolism by quickly raising blood sugar levels. All of that starch at the base of the food pyramid has had the unintended ef...

Better Diet Even Late in Life May Prolong It

...occur as food is digested. But Partridge says this theory can't explain why flies changed to restricted diets later in life did just as well as those who had been on restricted diets their whole lives. "Dietary restriction late in adulthood is just as beneficial to the middle-aged flies as if they had been...

Vibrating Insoles could Help Balance

...nsoles on 15 young people and 12 older people. The theory is small vibrations should stimulate the sensory system and therefore help to maintain proper balance. Doctors say the nervous system deteriorates with age and affects posture and balance. In the study, the participants were asked to stand quietly o...

“ Economy Class Syndrome

... the term "economy class syndrome" was coined. The theory was that sitting in the cramped seats typical of the economy class section of an aircraft made it harder for people to move around during long flights, thus making it easier for blood clots to develop. This study looked at 878 air travelers who comp...

Weight Gain Found To Increase The Risk Breast Cancer

... 70 pounds doubled their risk. This supports the theory that more body fat yields higher estrogenic levels, increasing the risk of breast cancer in women. Women with less body fat are reported to have lower estrogenic levels and lower risks of breast cancer. Thus specialists suggest , avoiding weight gain...

Exercise Effective in Reducing Cancer Risk

... conducted by researchers from Brigham support the theory that exercise benefits at-risk cancer patients.After studying the exercise regimen of nearly 3,000 women diagnosed with breast cancer, researchers confirmed that the risk of death from breast cancer decreased with every level of physical activity as ...

Soaking In The Sun May Give You More Than Just a Tan

...ir analysis of cancer screening tests supports the theory that sunlight suppresses women's immune defenses, so they are more likely to get a virus that causes cervical cancer.However other evidence suggests that sunlight may also help protect against some other kinds of cancer. Researchers looked at the r...

Mentally Demanding Jobs Found To Reduce The Risk Of Alzheimer’

...lp reduce the risk of Alzheimer’s disease. Another theory is jobs with higher mental demands could require skills that help an individual perform better on tests used to diagnose Alzheimer’s disease. Thus researchers say that there are several limitations to their study including looking at socioeconomic s...

Gain In Weight Found To Increase The Risk Of Breast Cancer

... 70 pounds doubled their risk. This supports the theory that more body fat yields higher estrogenic levels, increasing the risk of breast cancer in women. Women with less body fat are reported to have lower estrogenic levels and lower risks of breast cancer. Thus specialists suggest , avoiding weight gain...

Exposure To Night Light may Increase The Risk Of Leukemia

...sed risk for breast cancer, further supporting the theory that light at night is a risk factor for leukemia. Researchers conclude saying that if melatonin levels are altered by magnetic fields, a potential relationship between these fields and cancer, including leukemia, would be possible....

Dads Age Found To Affect The Childs Risk for Schizophrenia

...rchers say their findings provide insight into the theory that accumulating mutations in the sperm of older fathers contributes to the overall risk of schizophrenia....

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