cardiovascular health: nature vs. nurture

I went to give blood today, hoping that my always-borderline hematocrit was high enough.   It was.   Though one point lower and I’d have been rejected–again.   Like most other things the RDA does, those hematocrit averages aren’t based on the ideal, but rather the average.   The averages are, of course, of a…

Who you gonna call? Part III: nutrition advice from personal trainers

My friend Cheryl told me at the gym the other day that she got online with a “Virtual Personal Trainer.”   This guy has quite a following here locally and helped a friend of Cheryl’s.   She  said to the trainer, “I’m trying to be vegan.   Can you help me increase my muscle mass…