
Do You Really Want to Know?
A documentary about the complex emotional, ethical and psychological issues surrounding the new frontier of predictive genetic testing. The film follows three families who have been confronted with the decision of whether or not to be tested for Huntington's disease - a degenerative neurological illness that is akin to having ALS, Parkinson's Disease and Alzheimer's simultaneously - and one of the first diseases people could be accurately and conclusively tested for, before the onset of any symptoms. As scientists discover more ways to identify diseases before we know we have them, "do you really want to know?" will be a question more and more of us will face.
Below are the streaming services currently carrying the movie “Do You Really Want to Know?” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Do You Really Want to Know? in Canada
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 15 Sept 2026.

