Wayne Hawkins, an 80-year-old from San Diego, was diagnosed with terminal heart failure. He’s also suffered from a slew of other health issues including prostate cancer, liver failure and sepsis.

It's 10am, and in a little over two hours, Wayne Hawkins will be dead. The sun is shining on the bungalow where the 80-year-old lives in San Diego, California with his wife of more than five ...