Consult doctor before using turkey tail mushrooms

Hello, dear readers, and welcome to a bonus letters column. Your comments, questions and kind words — thank you! — continue to fill our mailboxes more quickly than we can empty them. That said, let's get started.

— We have received a number of letters in response to a column about the possible health benefits of turkey tail mushrooms. 'I'm being treated for metastatic breast cancer, and this mushro…