According to a new study created for NASA the medical risks — both physical and psychological — of long treks beyond Earth orbit remain daunting and a far greater challenge than the public has been led to believe. After 40 years of rocketing humans skyward, information on stresses to the body due to space travel has been poorly collected, nor fully analyzed. Today, not enough is known about the dangers of prolonged travel to enable humans to venture into deep space in a safe and sane manner. However, the new, no-holds-barred study says part of the problem comes from “underreporting” by space travelers about their health woes. Also, there is too much data privacy and confidentiality between astronauts and flight surgeons.