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Tag: "theory" at medical news

The Link Between Weight Gain And Breast Cancer Studied

... 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 researcehrs suggest , avoiding weight gain...

Mercury fillings during pregnancy may not lead to low birth weight

...gton, Seattle, US had done a study that proves the theory otherwise. 1117 women who have given birth to lighter babies (less than 2.5kgs) were compared with 4468 women who had given birth to babies of normal birth weight, of 2.5kgs or more. 13% of the total women had undergone at least one dental restorati...

New breed of mice to live longer

...ards increasing mortality through the free radical theory of ageing. The new mice created by the research team produced higher than normal levels of antioxidant enzyme catalase. The cells can use this catalase to convert hydrogen peroxide that can damage cells into water and molecular oxygen, in the ctyto...

New info about Huntington's disease found

...tion, choking or cardiac arrest. While a previous theory had held that a protein forms within the brain cells and kills them causing the genetic neurological disorder, the new research reveals that the protein that rises in the brain cells reacts with the neighboring cells to kill the cells surrounding it....

Research finds new explanations for dyslexia

... ignoring the rest in their visual periphery. This theory raises doubt on the previous magnocellular hypothesis that held that dyslexics had inability to process rapidly passing visual signals. The research is published in the current issue of Nature Neuroscience....

Parent’s mental state may affect the childhood asthm

...that the findings of the study lend support to the theory of shared genetic liability hypothesis that links childhood atopic disorders with parental depression and panic disorders....

Low dose Radiation Exposure May Cause Cancer

... This study helps to put to rest the "threshold" theory expounded by those who believe a totally "safe" level of radiation exists....

Is low birth weight related to psychological distress in adulthood?

...logical distress provides further evidence for the theory that common mental health problems in adulthood may be due to impaired neuro-development, as has been suggested in schizophrenia. Extracts of the news from http://www.eurekalert.org...

An Anti-cancer Smart Bomb delivered using a Nanocell

...archers were excited about anti-angiogenesis," the theory that cutting off the blood supply can starve tumors to death. That strategy can backfire, however, because it also starves tumor cells of oxygen, prompting them to create new blood vessels and instigate metastasis and other self-survival activities. ...

Rats dream about running mazes...

...ems during their dreams and say they can test this theory on rats. No wonder man is worried about the rat race!! ...

New cancer theory

... George's Hospital in London take the inflammation theory much further.They feel that this may be the key cause of cancer.// The immune system sets up an inflammatory state to protect us from disease. But if it is activated for too long, it may lose some of its power and the inflammation may then encourage ...

Mechanical forces drive early heart development

...shaping the heart.// Recently, he has developed a theory on tissue growth and morphogenesis (shape change) ...re just now looking at growth in mature heart. His theory will be valuable in looking at these situations. Growth occurring in the mature heart is extremely i...

Bone tough

...onds prevents the the bone from fracturing.// The theory is that when a bone is put under coercion, the collagen is able to break some of these bonds, preventing the bone from fracturing.Bones have to be sturdy, and they achieve this through a combination of 'stiffness' and 'toughness'. Bone is a mixture o...

A vaccine for lymphoma

... research team Professor Freda Stevenson said: "In theory tumour cells should be killed by the immune system because it is programmed to destroy anything which is not a normal, healthy cell. "However tumour cells are cunning. Though clearly labelled, they have developed ways of switching off the immune syst...

Malignant virus in polio vaccine combined to Cancer

...t's studies over the past decade have debunked the theory that SV40 is causing human cancer or even present in tumors. But The Chronicle found that more than 60 studies from 30 laboratories around the world have reported detections of the virus in human malignancies. Dr. Jay A. Levy, a renowned virologist ...

Tear-free Onions

...versity of Tokyo and Kyoto University,//tested the theory that the crying response to onions was caused by an enzyme called alliinase. Alliinase plays a part in the chemical reactions that give onions their flavour. In their experiment, the researchers used alliinase extracted from garlic to determine whe...

Gene That Might Be Responsible For Aging

A new study sheds light on the theory that aging is associated with the shortening of chromosomes in non-reproductive cells. Research results suggest the gene responsible for shortening the ends of chromosomes is inherited via the X chromosome. // Investigators measured the length of t...

Night Light Found To 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 have determined that light at night is found to disrupt the circadian rhythm and suppress the production of melatonin. Researchers also says, "As an antioxidant, in many studies melatoni...

Exposure To Greenery And Graffiti May Affect Obesity

...h.Based on this work, the team set out to test the theory that areas, which are pleasant with lots of greenery and few incivilities, might encourage people to take exercise and thereby influence levels of obesity. They analyzed data from a large housing and health survey conducted in eight European cities ...

New Information On Virus Goes Against The Age-Old Theory

...Institute of Health (NIH) ad brought forward a new theory that challenges the age-old theory concerning virus and body’s immunity. NIH’s Polly Matzinger has developed the "danger model," sugge...

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