Improve the grammaticality of this sentence: Mickey Hays (June 30, 1972 – June 30, 1992) was an American actor and sufferer of progeria, a rare genetic condition whose symptoms resemble accelerated aging.
Mickey Hays (June 30, 1972 – June 30, 1992) was an American actor and sufferer of progeria, a rare genetic condition whose symptoms resemble accelerated aging.