I was annoyed by my neighbor's noise. Months later, I'd helped raise $80,000 for her care.

Heidi Widmer now helps her neighbor, who has Parkinson's. Courtesy of Heidi Widmer Heidi Widmer is a 35-year-old who moved into an apartment building in Los Angeles in July. For the first two weeks, she heard a loud sound from the apartment above and was annoyed.