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Researchers cast doubt on role of free radicals in aging

For more than 40 years, the prevailing explanation of why we get old has been tied to what is called oxidative stress.

18 Feb 2009

Experts predict 20 per cent drop in lung cancer rate

Cancer Reserach UK experts are predicting that lung cancer rates will drop by nearly a fifth over the next 20 years, according to new figures.

18 Feb 2009

Enzyme activates stress response and hypertrophy of the heart

An enzyme makes the mouse heart prone to chronic cardiac insufficiency – if it is suppressed, the heart remains strong despite increased stress.

18 Feb 2009

Differences in language-related brain activity affected by sex?

Men show greater activation than women in the brain regions connected to language, according to researchers from CNRS, Université de Montpellier I and Montpellier III.

18 Feb 2009

Cells with double vision

In comparison to many other living creatures, flies tend to be small and their brains, despite their complexity, are quite manageable.

18 Feb 2009

Do brain exercises prevent memory loss?

Participating in certain mental activities, like reading magazines or crafting in middle age or later in life, may delay or prevent memory loss, according to a study released today that will be presented at the American Academy of Neurology's 61st Annual Meeting in Seattle, April 25 to May 2, 2009.

18 Feb 2009

Biochemical markers for non-invasive assessment of primary biliary cirrhosis

Needle liver biopsy has been used as the "gold standard" for the assessment of liver fibrosis and disease stage of PBC.

18 Feb 2009

Presence of a biomarker in regional lymph nodes predicts disease recurrence in colorectal cancer

Findings published in the Journal of the American Medical Association by researchers at Thomas Jefferson University show that the presence of a biomarker in regional lymph nodes is an independent predictor of disease recurrence in patients with colorectal cancer.

18 Feb 2009

An adjuvant chemotherapeutic agent in gastric cancer therapy

Peritoneal carcinomatosis can be thought of as a series of events that together form a peritoneal metastatic cascade.

18 Feb 2009

A stem cell bandage for your knee

Building on his previous work, Hollander and his team, which included Dr Wael Kafienah and Dr John Tarlton, announced in 2005 they had, for the first time ever, successfully grown human cartilage from a patient's own bone marrow stem cells.

18 Feb 2009

A potential marker of increased histological activity in hepatitis C virus infection

Early, vigorous and sustained lymphocyte proliferative responses specific to hepatitis C virus (HCV) have been regarded as pivotal for viral clearance.

18 Feb 2009

Newly discovered mutation can hold the key to treat a large number of different cancers

Scientists have discovered a mutation responsible for cancer progression, a finding with potential implications for the development of treatment against not one, but a series of cancer types since this mutation can be linked to an abnormality recently discovered to exist in all malignancies.

18 Feb 2009

X-ray eyes bring us closer to early diagnosis of Parkinson's disease

It is estimated that 4 million people world-wide are suffering from Parkinson's, a complex disease that varies greatly among affected individuals.

17 Feb 2009

White patients benefit more than blacks in surviving surgical complications at teaching hospitals

Elderly patients who undergo surgery at teaching-intensive hospitals have better survival rates than at nonteaching hospitals, but these better survival rates apparently occur in white patients, not black patients.

17 Feb 2009

Researchers show how immune system reacts to a hepatitis B infection

Researchers at the Helmholtz Centre in Braunschweig demonstrate how the immune system reacts to a hepatitis B infection.

17 Feb 2009

Weight loss improves nonalcoholic steatohepatitis

In a recent study, Saint Louis University researchers found that weight loss of at least 9 percent helped patients reverse a type of liver disease known as nonalcoholic steatohepatitis (NASH), a finding that will allow doctors to give patients specific weight-loss goals that are likely to improve their livers.

17 Feb 2009