By Jackie Powder
Thousands of veterans suffered combat-related traumatic brain injuries—a signature wound of America’s most recent wars—that were never documented. Then two young researchers unearthed the evidence.
By Maryalice Yakutchik
A physician/scientist’s ongoing studies among American Indian communities in the Northern Plains indicate that even low levels of arsenic in drinking water apparently have serious health implications.
By Michelle Ferng
Longevity, once hailed as a milestone of human achievement, is now showing an ugly side, especially in fast-growing economies. Lima, Peru, is one vibrant city struggling to prevent abuse of its elders.
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