What does it mean when your eyebrows start thinning on the outer edges?
1. Introduction Thinning on the outer third of the eyebrows is a classic clinical sign frequently indicating underlying thyroid dysfunction, particularly hypothyroidism. This specific pattern of hair loss, medically referred to as madarosis or Queen Anne’s sign, occurs due to the interruption of the normal hair growth cycle caused by insufficient circulating thyroid hormones. The … Read more