Slight nitpick: I find the use of 'normal people' in the article a bit distracting. I appreciate the fact that the authors are not native English speakers but u

Slight nitpick: I find the use of 'normal people' in the article a bit distracting. I appreciate the fact that the authors are not native English speakers but using 'the general population' was more appropriate here. However, being a blood type 'O', I am not sure whether this consoles me.