Something feels off
Skin & hair
4 stories
Gray hair
- Gray HairHow the follicle's pigment cells and their stem-cell reserve run outHair color is made on the spot by melanocytes in the follicle during the growth phase, and it is settled once the strand leaves the scalp. A white…Organ conditions · Skin, hair & mouth7 stations
- Gray HairGray hair with numbness, tiredness or pale skin patches may relate to B12 or the thyroidHair color is made on the spot by melanocytes in the follicle during the growth phase, and it is settled once the strand leaves the scalp. A white…Organ conditions · Skin, hair & mouth7 stations
- Vitamin B12What B12 deficiency does in the body, and how it is checkedOnly bacteria and archaea can make B12, so it is found almost only in animal foods. Plant sources are mostly unreliable: spirulina holds mainly…Vitamins · Water-soluble6 stations