Davis Phinney has lived with Parkinson's disease for more than half of Taylor Phinney's life.

WSJ: Taylor Phinney: This Is Not a Story About Last Place??Jason Gay

Under the ruling, if Ms Taylor, who has amyotrophic lateral sclerosis (ALS) or Lou Gehrig's disease, must do so within the year if she chooses.

BBC: Canada judge strikes down assisted suicide ban