Australian actor, Chris Hemsworth, tests positive for two copies of the APOE4 gene that increases risk of CAA or Alzheimers. Will this call attention to CAA, AD, and the need for life style changes in the broader public?https://www.theguardian.com/film/2022/nov/21/chris-hemsworth-to-take-time-off-from-acting-after-discovering-alzheimers-risk