Researchers from the Canadian Museum of Nature and the Natural History Museum of Los Angeles County have identified remains of a 3.5-million-year-old bear from a fossil-rich site in Canada's High Arctic. Their study shows not only that the animal is a close relative of the ancestor of modern bears -- tracing its ancestry to extinct bears of similar age from East Asia -- but that it also had a sweet tooth, as determined by cavities in the teeth.
Scientists from the Florida campus of The Scripps Research Institute (TSRI) have now uncovered new insights into the regulatory network behind neuron growth.
Antimicrobial compounds added to preserve food during storage are believed to be benign and non-toxic to the consumer, but there is 'a critical scientific gap in understanding the potential interactions' they may have with the hundreds of species of microbes in our intestines, say David Sela, a nutritional microbiologist at the University of Massachusetts Amherst, and colleagues.
Different outcomes exist between blacks and whites receiving care from the same hospice.
A new study provides insights on the factors that affect health-related quality of life in older adults with cancer. Published early online in CANCER, a peer-reviewed journal of the American Cancer Society, the findings support the importance of addressing persistent symptoms, managing comorbidities, promoting leisure-time physical activity, and addressing financial challenges.
Parents may underestimate the importance of preparing new sitters for common scenarios like injuries or more serious emergencies.
Children and teens who experience abuse, bullying, neglect or witness violence and other forms of adversity are more likely to develop heart and blood vessel diseases as adults. Unhealthy responses to stress (such as overeating), mental health problems and disruptions in basic biologic processes may underlie the increased risk.
The review, published in CMAJ, is aimed at pediatricians, family physicians and other doctors who may treat newborns, including those who appear healthy at birth but begin to get severe, repeated infections requiring emergency department visits.
The use of probiotics and xylitol chewing gum to alleviate sore throat symptoms -- as an alternative to antibiotics -- appears to have no effect, according to a randomized controlled trial (RCT) published in CMAJ.
Diabetes patients who take the most commonly prescribed diabetes drug, metformin, are the least likely to follow medical advice regarding their medication due its side effects, a new article in the journal Diabetes, Obesity and Metabolism reports.