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Tag: "theory" at medical news

Now umbilical cord helps in stroke treatment.

...ear or two. Many scientists are now accepting the theory that primitive tissue called stem cells will very soon be used to manufacture human spare parts. This will come in handy to treat ailments like strokes and Alzheimer’s where the stem cells replace dead cells in the brain. One or two cords will give ...

HIV did not arise from polio vaccine

...istakenly unleashed through polio vaccination. The theory was first made famous in a 1992 Rolling Stone article, and the idea gained more steam with the 1999 publication of journalist Edward Hooper's book "The River." But in new findings published in the journals Nature and Science, four research teams dem...

Be happy: live long

...anders-Brown Center on Aging. He also added, "Our theory is that negative emotional states such as anxiety, hatred and anger can have a cumulative effect on the body over time. Over decades and decades, people that turn these negative emotions on and off several times daily are hurting themselves and are m...

Ginseng's efficacy debatable

...u says that ginseng use is all about the dialectic theory of the balance between ying and yang. For example, Western ginseng can be used in the summer but real Chinese ginseng can only be used in the winter. "The winter is cold, so it is the ying, and you need something yang to counter it," says Zhu....

The big brain in suicides

...ter in the natural cause than the sucide group. A theory states that depression causes the brain to swell and these people with depression and sucidal attitude had heavier adrenal glands. The researchers said all suicide victims should have a routine post-mortem examination to check for oedema (fluid col...

Dark skin protects

...nimals living in tropical environments. A popular theory on why darker skin prevailed in some areas and lighter skin in others, is that// the extra melanin in darker skin protects against cancer and sunburn from ultraviolet radiation. But, New Scientist reports, some parts of the body which are hardly ever...

Estrogen lowers cancer risk

...ral contraceptives. This new research bolsters the theory that the female hormone estrogen might protect women from colorectal cancer. Dr. Carlo La Vecchia, who led the study said "For a while now we have suspected that estrogen in the pill could protect against bowel cancer and our research has gone s...

Alcohol within the body

...to form in the liver. Dr Diehl's team tested the theory on mice genetically engineered to be obese. The mice were fed on a diet that did not contain alcohol, and breath samples were taken as they aged. Obesity-related fatty liver disorder usually develops in older animals and people. The scientists found ...

A new vaccine for leukemia

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

High vitamin A increases risk of hip fractures

... compared with women with the lowest intake. One theory is that too much vitamin A inhibits the ability of Vitamin D to help the body absorb calcium, said lead author, Diane Feskanich, an epidemiologist at Brigham and Women's Hospital in Boston. She said previous studies also suggest vitamin A affects cel...

To get the better of

Doctors investigating a theory that contemporary orgasms succor fertility found t...educe acidity inside the vagina. According to this theory an acidic vagina lessens the chances of sperm surviving to the reproductive tract. Dr Cathy added: "...

Sniff to compatibility

...ody odour is similar to that of their fathers. The theory implies// that a man who smells similar to a woman's father is likely to have a compatible immune system. The natural odours that all humans produce are called pheromones. They are influenced to a degree by a cluster of genes related to the immune s...

Vaccination to prevent strokes

...mark a "major advance in stroke prevention". The theory suggest that they destabilise fatty deposits on th...ed stroke risk. Dr.Eoin.Bredman said "There is a theory that infections can contribute to a risk factor for stroke, but however does not have any effect on ...

Acupuncture to bring relief to patients with dry mouth

...specific points on the body's surface. Traditional theory holds that these points connect with energy pathways that run through the body, and acupuncture helps keep this natural energy flow running smoothly. Modern science as well has suggested that acupuncture can help ease a range of conditions, from art...

Heart bypass-mental decline link

...g difficulty thinking and remembering. One leading theory is that the heart-lung machine is the culprit. But according to a new study,// the loss of mental sharpness suffered by many heart-bypass patients several months after surgery may not be caused by the heart-lung machine used in the operating room aft...

New treatment for muscle spasms

...ne system. The success of the therapy supports the theory that SPS is caused by the immune system malfunctioning. When this chemical is in short supply in the brain and spinal cord, the muscles are more likely to be over-stimulated and go into spasm. The scientists, led by Dr Marinos Dalakas, of the US Na...

Further support for use of statins in Alzheimer’s disease

...who already have the disease. Studies to test that theory are under way...

Chemists Discover Cation Considered Too Unstable To Exist

...d ion) - was thought not to exist for long because theory said it was unstable. // "I’ve said this molecule is unstable and doesn’t exist dozens of times in organic chemistry class, but, as it turns out, the molecule had different ideas," said Joseph B. Lambert, Clare Hamilton Hall Professor of Chemistry a...

Gestational Diabetes linked to Chromosomal defici

...ore and her colleagues, their findings support the theory that some women who develop gestational diabetes may have "underlying biochemical changes" that promote the development of chromosome defects before the diabetes is ever apparent. By definition, gestational diabetes appears during pregnancy. Like ot...

Vitamin E helps the mind

... damage in older people. New research confirms the theory that vitamin E from foods and supplements can be beneficial. Researchers from Rush-Presbyterian-St. Luke's Medical Center in Chicago studied the role of antioxidant nutrients, including vitamin E, //vitamin C and carotene for their effectiveness in r...

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