Blood clots and RV Travel pose a serious risk to RVers, and yet few are even aware of this hidden danger. When sitting in a truck or RV for extended periods, such as on long drives, blood flow can slow down and cause blood clots to form. These clots can break off and travel to the lungs, causing a potentially fatal condition called pulmonary embolism. That's just what happened to the husband of Betsy Johnson. We interview Betsy in Episode 439 of the RV Podcast.