Merely FYI: This is one of those "Who would have ever thought?" fascinating tiny-bits of info:
"...the RP [?] and the heart work together via the eye ... tell them [cardiology patients] to take their glasses off and look at the sun in the morning ... that is a cardiology maneuver ...
"...a red blood cell is a ferry boat for sunlight that connects the sun wirelessly to our mitochondria ... hemoglobin have a strong cutoff at 600 nanomoles ... the red blood cell is shaped like a radio dish ... It’s a radio dish for the visible spectrum of sunlight."
12/6/18: Interview & Transcript: "NeuroSurgeon By Day, Mito-Hacker By Night: Dr. Jack Kruse":