NPR on Health Care for Aging Homeless

Kalyanaraman says people's health problems only snowball the longer they're outside, which makes treatment more difficult and expensive.

"If you're on the street, you're about three times more likely to have hypertension or cardiovascular disease. You're about 50 percent more likely to die from it as well," he says. "Diabetes is more prevalent if you're homeless. It's harder to control."