Helen Kington: altitude sickness
is her biggest worry as she heads for Peru
Mr Simpson, 40, struggled severely with altitude sickness
during the seven-day walk but reached the summit nonetheless with the others on February 18.
"I got sick the most out of all seven of us in the group; I was OK until we reached the camp on the first day then altitude sickness
hit me with the worst nausea, fatigue and vomiting."
is the main reason that people don''t get to Base Camp.
I didn't make the summit - I was turned back on doctors' orders because I was suffering from bad altitude sickness
"We've been preparing, training hard in the gym, but we have been told that nothing can prepare you for the altitude sickness
- the fittest person on the planet can get it."
For example, though I do secretly worry about altitude sickness
, I'm way more concerned about traveller's diarrhoea, and the unspeakable horrors that situation might bring about.
Mark Bishop, 41, of Penistone, raised a mountainous pounds 4,000 with his ten-day ordeal on Africa's highest mountain, during which he suffered altitude sickness
and witnessed a dangerous fall.
But he is concerned he may be affected by altitude sickness
In which case we'll let him off - altitude sickness
can do strange things to the mind.
The symptoms of acute altitude sickness
(AMS) include nausea, vomiting, headache, and severe fatigue.
Take it easy the first few days to adjust to the thin air because altitude sickness
is a real possibility.