Not quite "medical expert" but the author does establish (or attempt to) as a leading figure on this topic in paragraph 11:
"This is one of the few scientific subjects on which I've established a modicum of expertise"
Long way from medical expert but it does imply a higher-level understanding of the science here. Whether writing a few articles makes someone an expert is up to the individual to decide.
"This is one of the few scientific subjects on which I've established a modicum of expertise"
Long way from medical expert but it does imply a higher-level understanding of the science here. Whether writing a few articles makes someone an expert is up to the individual to decide.