Feeling bloated or gassy after take-off? You’re not imagining it. At cruising altitude, the lower cabin pressure causes gas in the stomach and intestines to expand—an effect similar to how sealed packets of crisps puff up in flight. Research shows that reduced air pressure at around 30,000 feet causes bodily gases to expand by up

When you’re flying for hours in a sealed cabin, it’s easy to forget how important hydration is. The air inside a plane is far drier than what you’re used to on the ground, leading to faster moisture loss through breathing and evaporation. Even mild dehydration can cause headaches, fatigue, dizziness and dry skin—all of which