The Bolus Theory Series

The Bolus Theory Series

No one would ever accept permanent fever... So, why accept permanently high antibodies? It's a "Death Zone"!

High Antibodies Myth - Evolution has pruned out those with constant high levels of antibodies, isn't that a sign we should heed? - Covid Myth Buster

Marc Girardot's avatar
Marc Girardot
Jan 30, 2022
∙ Paid

In very high altitude climbing, there is a zone called the “Death Zone”, a zone above which your survival is limited in time: you can stay there 16-20 hours maximum. Nobody in their right mind, climbing Mount Everest, would stay up on top long …

Climbing Everest: 14 bits of essential kit

High altitudes have a strong appeal to many - an adventure to tell your grand-children, a transcendence of a …

This post is for paid subscribers

Already a paid subscriber? Sign in
© 2026 Marc Girardot · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture