That's just it though. You're safer strapped into a seat, doing nothing, than you are doing whatever it is you do at home.

Would you be safer in your living room doing nothing, strapped to a seat, never doing anything remotely hazardous (like walking around), vs the same in a tube in the sky? Yes, of course. But that's not what people actually DO in their living rooms!

Higher risk of developing blood clots while sitting immobilized at altitude in an airplane seat.

Contributing factors:

- Prolonged immobility, which causes blood to pool in the legs

- Low cabin pressure and dehydration from the dry cabin air