The increased sport shouldnt cause breast pain, but possibly increased the need for magnesium, salt, potassium.
Breast pain, FBD may come for a revisit, did for me the first couple of years of iodine. Even once an again after that.
It may have something to do with lowering the Iodine dosage; //www.curezone.org/forums/fm.asp?i=2215254#i