NASA twins study reveals space flight can cause genetic changes

From his eyes to his immune system, astronaut Scott Kelly's body sometimes reacted strangely to nearly a year in orbit, at least compared to his Earth-bound identical twin, but newly published research shows nothing that would cancel even longer space treks, such as to Mars.

Source: CBC | Health - April 11, 2019 Category: Consumer Health News Tags: News/Technology & Science Source Type: news