An additional concern is the health of the humans who participate in a colonization venture, including visual impairment or brain damage--for example, a 2016 study suggested that space colonizers may risk neural damage due to cosmic radiation.
An additional concern is the health of the humans including visual impairment or brain damage. These humans participate in a colonization venture. Space colonizers may risk neural damage due to cosmic radiation. A 2016 study suggested this. This was for example.