Carolyn's first clue as to what this actually meant came a few weeks later. (bookbrowse.com)
«Zika virus may cause microcephaly by hijacking human immune molecule: Fetal brain model provides first clues on how Zika virus blunts brain development; blocking mechanism reduces cell damage.» (sciencedaily.com)
Probably the very first clue, that you are not getting enough fiber is that you are experiencing constipation and bloating, or some irregularity in the GI tract and bowel movements. (bodyketosis.com)