Results show that participants with severe, untreated sleep apnea had a significant reduction in white matter fiber integrity in multiple brain areas. This brain damage was accompanied by impairments to cognition, mood and daytime alertness.
An iron deficiency can cause the nail bed to be thin and concave and have raised ridges. While most of Fox's patients don't come in to report nail problems, he routinely checks patients to make sure they have healthy fingernails. The nails offer many little clues to what's going on inside you.
Psoriasis may cause pitting, splitting of the nail plate from the nail bed, and chronic (long-term) destruction of the nail plate (nail dystrophy). Other conditions that can affect the appearance of the nails include systemic amyloidosis, malnutrition, vitamin deficiency, and lichen planus.