Key points from article :
According to NASA astronauts and cosmonauts aren’t at an elevated risk from radiation damage.
Data review from 400 astronauts, cosmonauts reported no linkage between causes of death, damage from radiation.
Largest categories for the cause of death for astronauts were spacecraft, aircraft and automobile accidents.
30 % of astronauts died due to cancer, 15 % due to cardiovascular disease.
28 % of cosmonauts died due to cancer, 50 % due to cardiovascular disease.
First generation of human space explorers will be guinea pigs.
The study was published in Scientific Reports journal.