Health: Avoiding blood clots
Most doctors agree that flying for many hours in cramped conditions can sometimes lead to deep vein thrombosis, or blood clots. Exercising on flights can safeguard against the condition - also known as "economy-class syndrome".
Before a flight
In some cases, cabin pressure has been linked to deep vein thrombosis. If you have high blood pressure or a heart condition, get a medical check-up from your GP. Remember to carry any necessary medication in your hand luggage.
- If you're 6ft tall or more, try to book seats with more leg room
- Go for bulkhead, aisle or seats near emergency exits to maximise on space
- Pack aspirin for the flight - it helps thin the blood and reduce the risk of clots
In the air
Exercise is important during flights, whatever class you're travelling in. Take a walk in the aisles at least once an hour to get the blood circulating, and stretch your legs when you're sitting down even if you don't feel cramped.
- Drink plenty of water and cut down on alcohol
- In your seat, rotate your ankles and wriggle your toes
- Stretch your legs while in your seat, if possible
- Cut down on salty snacks, such as peanuts and crisps, as they can dehydrate you
- Consider wearing support stockings or socks to help your circulation during flights and other anti-DVT devices, such as special foot cushions
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