On 31 December 2012, a NASA-supported study reported that human spaceflight may harm the brain and accelerate the onset of Alzheimer's disease.
ˌɔn θˈɜːɾi wˈʌn dᵻsˈɛmbɚ tˈuː θˈaʊzənd twˈɛlv, ɐ nˈæsɐsəpˈoːɹɾᵻd stˈʌdi ɹᵻpˈoːɹɾᵻd ðæt hjˈuːmən spˈeɪsflaɪt mˈeɪ hˈɑːɹm ðə bɹˈeɪn ænd ɐksˈɛlɚɹˌeɪt ðɪ ˈɑːnsɛt ʌv ˈɑːltshaɪmɚz dɪzˈiːz.