Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: fertilization. In a PNAS paper released this week, researchers report that they have discovered a gene — and related mechanism — essential to the embryonic development of the epididymis.
A unique study by researchers at the University of York and Hull York Medical School has confirmed a link between depression and low levels of folate, a vitamin which comes from vegetables.
Acupuncture? Nicotine patches? Telephone therapy? Antidepressants? Cognitive behavioural therapy?Which work? Which have no effect? Which are dangerous? Confused?Over 40 Cochrane reviews analyse the evidence.
Non-Hispanic white youth have the highest rate of diabetes of all racial/ethnic groups for children in the U.S., with type 1 being the predominant kind of diabetes among youth, according to a study in the June 27 issue of JAMA, a theme issue on chronic diseases of children.
The findings of a new rat study conducted by Italy?s Ramazzini Institute are contradictory to the extensive scientific research and regulatory reviews conducted on aspartame. The U.S. Food & Drug Administration (FDA) has stated they are not recommending any changes in the use of aspartame.
A new study published on bmj.com questions the value of blood glucose monitoring among patients with well-controlled, non-insulin dependent (type 2) diabetes.
Levels of a small non-coding RNA molecule called let-7 appear to define different stages of cancer better than some of the “classical” markers for tumor progression, researchers from the University of Chicago report in the June 25, 2007, early online edition of the Proceedings of the National Academy of Sciences.
The findings of a South Africa survey show evidence of a decline in HIV prevalence in South Africa after several years of relative stability, reported by Department of Health, South Africa.
A two-year fight against the decision to restrict access to the only drug treatments for Alzheimer’s disease has arrived at the Royal Courts of Justice, UK.
Stroke is a leading cause of hospital admission among older adults. Yet more hospital readmissions after stroke are for pneumonia or for heart disease than for another stroke, according to a study published in the June 2007 issue of the journal Stroke. This finding may alter the standard medical management of post-stroke patients.