Why Runners Get Lightheaded When They Stand Up
"Whoa, headrush!" Over the years, I've gotten very familiar with that sensation: a sudden lightheadedness if I get up suddenly after, say, chilling on the sofa. It's called "orthos…
"Whoa, headrush!" Over the years, I've gotten very familiar with that sensation: a sudden lightheadedness if I get up suddenly after, say, chilling on the sofa. It's called "orthos…