Andrew Herr

You board your flight feeling energized. Hours later, you step off the plane with a headache, brain fog, and dry skin, feeling bloated and an overwhelming urge to collapse into bed. Most travelers blame dry air, cramped seats, dehydration, or a lack of sleep, but while those factors certainly play a role, there's another culprit quietly working behind the scenes: oxidative stress. Oxidative stress is a biochemical cascade of effects triggered by the unique conditions of air travel, and it begi