According to the NIH, at the latitude of Boston you will make no vitamin D from sunlight for the four months of Nov. through Feb. If that's so then you will make little vitamin D from sunlight for much of the rest of the year.
The overall theme of this thread seems to imply that mankind was only fit to occupy the most naturally nourishing neighborhoods in the original experiment and original sin was thus simple migration.
“According to the NIH, at the latitude of Boston you will make no vitamin D from sunlight for the four months of Nov. through Feb. If that’s so then you will make little vitamin D from sunlight for much of the rest of the year.”
I’m in the PA area, but since I get little natural sunlight,
I supplement.