Proceedings of the National Academy of Sciences

Psychology & Psychiatry

Study analyzes what babies hear, say on six continents

Elika Bergelson, associate professor of psychology at Harvard University, studies how infants and toddlers learn language from the world around them. The developmental psychologist specifically strives to parse the various ...

Psychology & Psychiatry

Multiple periods of loneliness may add up to higher mortality risk

Working from well-established research on the detrimental health effects of loneliness, University of Michigan researchers set out to study whether feeling lonely multiple times through the years leads to more serious illness ...

Overweight & Obesity

Study shows obese flies live longer on a diet at any age

Old, obese flies get healthier and live longer if put on a diet, University of Connecticut researchers report on Dec. 8 in PNAS. If the effect holds true for humans, it would mean it's never too late for obese people to improve ...

Diseases, Conditions, Syndromes

A new mechanism by which rotavirus makes you sick

Rotavirus causes gastroenteritis, a condition that includes diarrhea, deficient nutrient absorption and weight loss. Severe cases result in approximately 128,000 deaths annually in infants and children worldwide. Despite ...

Neuroscience

New therapeutic strategies for spinal muscular atrophy

Modulating the activity of a kinase in motor neurons may help mitigate mitochondrial defects and other symptoms of spinal muscular atrophy, offering a new therapeutic avenue for the devastating disease, according to a Northwestern ...

Diseases, Conditions, Syndromes

Pathogens use force to breach immune defenses, study finds

Similar to a burglar breaking a window to get into a house, Indiana University researchers have discovered a previously unknown process by which pathogens enter a cell with physical force, breaching the body's immune defenses ...

page 7 from 16