'' Do You Really Want To Know ? '' is a 2012 documentary film directed by John Zaritsky and produced by Kevin Eastwood . Using interviews and dramatic recreations , the film recounts the stories of three families who carry the gene for Huntington 's disease , a neurodegenerative illness which is the result of a genetic abnormality , whose symptoms typically appear in mid-life . Members of each featured family have undergone predictive testing to learn whether or not they have inherited the gene that causes the disease , and they each describe the impact that testing has had upon their lives . " Do You Really Want To Know ? " had its world premiere in Canada at the 2012 DOXA Documentary Film Festival and its broadcast premiere on November 13 , 2012 on Knowledge Network
DOXA Documentary Film Festival
DOXA Documentary Film Festival
Do You Really Want to Know?