Usually, dark lips are harmless, but since the lips and skin around them are always visible when we talk or smile, darkening of that area can affect how people feel about themselves 3,4
Algunos de los sntomas ms caractersticos de esta alteracin son la reduccin en los niveles de glucosa (hipoglicemia), la aparicin de enfermedades del msculo cardaco (cardiomiopata) y la fatiga
H tr bnh l lin quan ri lon mch ngoi vi mch vnh v cc ri lon huyt hc: ci thn ch s huyt ng ca h tun hon, ci thin p ng vn mch ca thuc gin mch vnh v tnh trng thiu mu bnh nhn suy thn mn
As a result, people with higher blood sugar need more vitamin C
4 Skin estrogen biosynthesis Despite the gonads being the primary source of androgens and estrogens, active sex steroids are also synthesized locally in peripheral tissues from circulating precursors (Pomari et al., 2015)
8 , e2100964 (2021)