Ashley King was on a roll. It was 2011 and the 18-year-old Canadian was on her gap year. She’d just spent a month in Bali en route to a hiking trip in New Zealand. She was having so much fun that she’d been thinking about deferring college for another year so she could work abroad.
On her last night in Bali, she and a few fellow backpackers went out to a nightclub in the party district of Kuta, where they were served cocktails in plastic water bottles.
The next morning, she had what she believed was the worst hangover of her
young life. Freshly arrived in Auckland, she was so exhausted she could…