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THURSDAY, May 27 -- Small sample sizes may undercut the reliability of recent genome studies that seemingly uncovered genetic underpinnings for cancer risk, a Greek-American analysis cautions. The observation is the result of a review of 45 studies that had harnessed technological innovations in so-called "whole genome sequencing" to attempt to identify specific genetic risk factors and link ...

The findings, reported in the Journal of Pediatrics, may help explain why some studies have linked higher calcium intake to lower body-fat levels in children and adults. They also offer one more reason for children and adults to get the recommended amounts of calcium in their diets, the researchers say. For the study, researchers at the University of Alabama at Birmingham looked at the re...

"The data in this study provide no concrete evidence of a need to alter milk drinking in any way," the study’s lead author, Nicholas Timpson, a lecturer in genetic epidemiology at the University of Bristol in England, said in a news release from the American Association for Cancer Research. "If anything, the failure of genetic findings to replicate the association between milk and renal c...

The study, published in the journal Stroke, looked at the relationship between stressful life events and the risk of subarachnoid hemorrhage, where a ruptured blood vessel causes bleeding into the space surrounding the brain. It’s estimated that up to half of cases are fatal. It’s common for people to attribute a sudden medical problem like stroke to stress, noted senior researcher Dr. C...

Diabetics in addition to kidney function loss also were affected by higher rates of heart attack and stroke than those who took a placebo, according to the clinical research in the April 28 edition of the Journal of the American Medical Association (JAMA). Diabetic nephropathy affects the network of tiny blood vessels in the glomerulus, a structure in the kidney made of capillary blood vesse...

Infant leukemia strikes children before they reach age one, and is believed to be a different disease from leukemias occurring in older children, Dr. Logan G. Spector of the University of Minnesota in Minneapolis, who helped conduct the study, told Reuters Health. The disease is also extremely rare, he added, with about 150 cases being diagnosed in the United States every year. "It’s literall...

Salmonella often causes fatal bloodstream infections in people with HIV, particularly in Africa. But although the risk has been known for more than 25 years, it is only now that researchers have a scientific explanation. It is not immune system deficiency that causes the problem but an excess of antibodies. The discovery should help avoid blind alleys in producing new vaccines. "It’s qu...

New research also has found that women taking hormone replacement therapy are more likely to experience an increase in breast density, a finding consistent with previous research that found women taking the hormones had a 24 percent increased risk for breast cancer. Both findings were to be presented Tuesday and Wednesday in Washington, D.C., at the annual meeting of the American Associa...

The Nokia / Samsung / Toshiba / Sony / Silicon Image team hoping to bring a standard to the world of high definition outputs on mobiles just got a bit official-er, shifting from the old working group title to the newly formed MHL (Mobile High-Definition Link) Consortium. If you haven't been paying attention over the last couple of years (we understand, we've been caught up in the Twilight series t...

In lieu of a cost-effective, consumer-friendly home automation standard being available, products like the D-Link 3G Door Phone have emerged to address ad hoc automation needs. This suped-up, waterproof doorbell allows home owners to monitor the front door over a 3G cellphone or PC via the unit's integrated 0.1 megapixel camera, SIM card, speaker, and mic. Home owners can then see the visitor as a...