We have two sections for questions and answers. Hopefully, you will check these sections before submitting a new question.

The first section below contains the most frequently asked and answered questions. The questions are organized by category. Click on the category of your question or concern.

Clicking on the questions below will provide you with the corresponding answer. Dr. Catalona has answered all questions.

If your questions have not been answered in the most frequently asked questions or if you’re interested in reading more questions and answers on the topic, please go to additional questions, which is an additional archive of past questions and answers. If your questions have not been answered, please feel free to submit a question. Dr. Catalona will answer some of these selected questions in his publication, Quest, and then, they will be added to the website as well. If you’d like, please include your email, along with your name, after you type your question and we will include you in any email updates we send.