Solve this math problem

After settling in, he met a neighbor who was also an older man.

“Say, is this really a healthy place?”

“It sure is,” the man replied.

“When I first arrived here I couldn't say one word. I had hardly any hair on my head. I didn't have the strength to walk across a room and I had to be lifted out of bed.”

“That's wonderful!” said Bill. “How long have you been here?”

“I was born here.”