Snapshot of Hawaii: Why NASA Is Studying Islands' Volcanoes and Reefs
Scientists are descending on the Aloha State to gain new insights into volcanic activity and coral reef health there
Stories by Karen Rowan
Autism Linked to Placenta Abnormalities
A new finding could enable detect of increased risk of autism at birth, which could enable early treatment or interventions
Many Colonoscopies for Seniors Carry Unnecessary Risks
Colon cancer usually progresses slowly, so early detection is less likely to benefit older adults. Also, colonoscopies come with a risk of perforation of the intestine, bleeding or incontinence
9 Percent of Older Adults Have Osteoporosis
The new estimate is based on measurements taken at the hip and lower part of the spine, not just the hip as in a previous major study. In some, osteoporosis may be present at only one site
Autism Signs Appear in Brains of 6-Month-Old Infants
The findings suggest that there is a potential to disrupt autism during a child's first year before the disorder becomes entrenched
Vitamin D Prevents Fractures, But Role in Cancer Remains Unclear
The analysis was requested by the U.S. Preventive Services Task Force, and was the only study requested in advance of its draft statement on recommendations for vitamin D intake, set to be issued in January
