Funny thing is, that the majority of doctors have said they have witnessed miracles in their practice and have seen people get better with no rational explanation. But this is just anecdotal evidence according to the antitheist.
Most of everyones functioning knolledge is based on ancedotal evidence. Its called experience. And its how most of the human race knows that the supernatural is real. And how some of us know that God has given us a way for us to know Him.