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New technology may allow surgeons to make a precise diagnosis and be better equipped for making accurate decisions during treatment. It has the potential to determine the level of tissue damage in patients with osteo-arthritis, sports injuries and other conditions affecting bone and cartilage.

A new study suggests that extra iron for infants who don't need it might delay development -- results that fuel the debate over optimal iron supplement levels and could have huge implications for the baby formula and food industry.

Parents of children with autism were roughly twice as likely to have been hospitalized for a mental disorder, such as schizophrenia, than parents of other children, according to a new analysis. The association was present regardless of the timing of the parent's diagnosis relative to the child's diagnosis.

Exposure to secondhand smoke even for a brief period is injurious to health, a new study by researchers at the University of California, San Francisco has found.

A new examination of data on similarly aged groups, compared across decades, has found substantial increases in drinking and alcohol dependence among women. Increases were particularly notable among white and Hispanic women -- beginning with those born in the United States after World War II.

A study, led by University of Iowa researchers, reveals a new dimension for a key heart enzyme and sheds light on an important biological pathway involved in cell death in heart disease. The study, published in the May 2 issue of Cell, has implications for understanding, and potentially for diagnosing and treating, heart failure and arrhythmias.

Contrary to prevailing assumptions, children are more vulnerable to the harmful effects of lead exposure at the age of 6 than they are in early childhood, according to a Cincinnati Children's Hospital Medical Center study.

A changing population structure and ongoing migration have increased cases of drug-resistant tuberculosis, according to a study.

More than 12 percent of babies are born prematurely, up more than 20 percent from 1990*, and as premature birth rates continue to climb, neonatologists at Nationwide Children's Hospital are focusing their attention on the nutrition provided to premature infants during their first few days of life. Preterm infants, when provided amino acids immediately after birth, showed significantly improved weight at discharge compared to preterm infants receiving amino acids later in their care.

A study of 90,000 people has uncovered new genetic variants close to a gene called MC4R that influence fat mass, weight and risk of obesity. The variants act in addition to the recently described variants of the FTO gene: adults carrying variants in both genes are, on average, 3.8 kg heavier. The study highlights the power of large collections of volunteer samples to uncover common variants that influence health.