Professional 12 hour fastAsk Dr. JDr. Russell Jaffe Ask Dr. J: Is a 12 hour fast enough? DrJ No Comments In this week’s edition of “Ask Dr. J”, Dr. Russell Jaffe is asked about whether or not a 12 hour fast is enough.Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Reddit (Opens in new window) Reddit Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website