"It was like waking up in a different country, and I remember just sitting on the train and looking at people and wondering if they’d voted Remain or Leave. I was super conscious about speaking German to my son and always looked around to see what the reaction of people would be."
Taking the pill was life-changing. Sonja had always had trouble concentrating, and often felt like she was in her own world. She would constantly switch from one task to another. "I didn't really know what was going on with me, but when I was young I just figured out that it was a part of my personality," she says of the symptoms she now knows to be attention deficit hyperactivity disorder, or ADHD.
“It’s like the clean-air New Year’s Day. Ever since [EU clean-air rules] came into force in 2010, London has every year broken the hourly mean usually at some point in January.”