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.
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.
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.