Chris Hemsworth is infuriated by reports he has Alzheimer’s and was thinking of retiring from acting. The ‘Thor’ actor, 40, made headlines worldwide in 2022 when his National Geographic series ‘Limitless’ featured a segment where he went for genetic testing that revealed he has two copies of the APOE4 gene. It’s been flagged as a marker of risk for developing Alzheimer’s disease – and even though carrying the gene is far from a diagnosis of the condition, the web was soon flooded with theories the reason Chris had moved to Byron Bay in his native Australia with his family was to retire from Ho…