Those with medium to dark complexions have more active melanocytes, so they tan faster and retain pigment longer
Click on the different category headings to find out more
MMA levels tell us how well the body uses B12
Pharmacol Res 117:218227 Rivetti S, Romano A, Mastrangelo S, Attin G, Maurizi P, Ruggiero A (2023) Aminoglycosides-related ototoxicity: mechanisms, risk factors, and prevention in pediatric patients
China Patent Application CN105433203 (A) Zhang J, Greasham R (1999) Chemically defined media for commercial fermentations
Some people also have an allergic reaction that may involve hives, swelling, and difficulty breathing, though it is rare