A persistent or recurring tingling, or pins and needles, sensation in the back can be a sign of an underlying…
How old are your organs? To scientists’ surprise, organs are a mix of young and old cells
Scientists once thought that neurons, or possibly heart cells, were the oldest cells in the body. Now, researchers have discovered…
Ultimate destiny: How undifferentiated cells commit to their biological fate
A new study using mouse neural crest tissue reveals how primitive, undifferentiated cells choose their adult fate. The findings help…
New study identifies molecular aging ‘midlife crisis’
Research provides a possible new reason why human disease burden increases so sharply from the sixth decade of life onward…
New global warming model highlights strong impact of social learning
A new climate modeling approach suggests that social processes strongly affect global warming predictions, and mitigation efforts should account for…
Are American Zika strains more virulent than Pacific and Asian strains?
Researchers comparing American, Pacific and Southeast Asian subtypes of Zika virus have concluded that the American-subtype strain has the highest…
Scientists edge closer to root causes of multiple sclerosis
Researchers have found mutations in 12 genes believed to be largely responsible for the onset of multiple sclerosis in families…
Drug makes tumors more susceptible to chemo
Researchers have discovered a potential drug compound that can block a mutagenic DNA repair pathway that helps cancer cells survive…
An Australian Doctor’s Dream: Curing America’s Opioid Curse
Dr. George O’Neil has implanted a device he invented into thousands of Australians who abuse opioids. But is it an…
Longer-Term Assessment of Azithromycin for Reducing Childhood Mortality in Africa
The MORDOR I trial (Macrolides Oraux pour Réduire les Décès avec un Oeil sur la Résistance) showed that twice-yearly azithromycin…