NASA’s Office of the Chief Health and Medical Officer formed a working group in August 2026 to review the most recent data related to extravehicular activity (EVA) prebreathe testing and decompression sickness (DCS) events, venous thromboembolism (VTE) in-flight occurrences, and patent foramen ovale (PFO) implication as they relate to NASA’s Artemis (lunar and beyond) missions. The recommendations from this working group are built upon and integrate the outcomes of previous working groups hosted by OCHMO...
Editor’s Note: This feature was updated Sept. 22, 2026, to note the time change for the in-flight call with students. Students in New Hampshire will hear from NASA astronaut Anil Menon as he answers prerecorded STEM questions while aboard the International Space Station. The Earth-to-space call will begin at 11:40 a.m. EDT Thursday, Sept. 24, and […]...