A team of researchers with Mortality Research & Consulting, Federal State Budgetary Scientific Institution Izmerov Research Institute of Occupational Health and the Russian State Research Center has found that thus far, astronauts and cosmonauts are not at increased risk of dying from cancer or cardiovascular disease (CVD) due to radiation exposure during their space adventures.
Source:
https://phys.org/news/2019-07-space-greater-dying-cancer-cardiovascular.html