When Daily Headaches and Evening Flare-Ups Pointed to Histamine Timing: A Runner’s Case Study

https://www.mediafire.com/file/759xy1xvqx3xuru/pdf-63809-82537.pdf/file

How a 34-Year-Old Runner's Subtle Symptoms Led to a Histamine Timing Hypothesis Sam, a 34-year-old amateur marathoner, came to a functional medicine clinic after two years of vague but persistent problems: late-afternoon headaches, flushing