Congenital means born with, so this type of birthmark is usually seen in babies, but they persist in people for life
Rigopoulos D, Baran R, Chiheb S, Daniel CR 3rd, Di Chiacchio N, Gregoriou S, Grover C, Haneke E, Iorizzo M, Pasch M, Piraccini BM, Rich P, Richert B, Rompoti N, Rubin AI, Singal A, Starace M, Tosti A, Triantafyllopoulou I, Zaiac M
It also enhances metabolism & digestive health
Other peripheral biomarkers include circulating proteasome activity in plasma, which was significantly lower in patients with chronic tinnitus and mild cognitive impairment, suggesting a link to cognitive comorbidity (Yun et al., 2020), and hair cortisol and BDNF levels, where hair cortisol is positively correlated with perceived tinnitus loudness, and hair BDNF is negatively correlated with both perceived tinnitus loudness and tinnitus-related distress (Basso et al., 2022)