"Can you cure it? Is this true?" He wasn't doubting his niece, he was just too taken aback. Many doctors had been unable to help with that illness, and his family had spent all their silver on it. If he hadn't vehemently opposed it, his father would have sold all their farmland to pay for his treatment.
However, they only had two acres of thin farmland.
"Hmm, I can't make any guarantees, but I have heard of that disease. Some have recovered without taking any medicine!" The man must have been suffering from night blindness. He would only need to supplement his diet with Vitamin A.
"How can it be healed without medication? I have never heard of such a thing."
"It can be done by eating more pork liver, spinach, and carrots."
"What is a carrot? Is it a red radish? Aren't radishes only white? Where can we find red radishes? This seems harder than finding a doctor and getting medicine!"