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.
Onycholysis is the separation of a fingernail or toenail from its pink nail bed. The separation occurs gradually and is painless. The most common cause of onycholysis is trauma. Even slight trauma can cause onycholysis when it happens repetitively â for example, the daily tapping of long fingernails on a keyboard or counter. Onycholysis also can be caused by manicure tools that are pushed beneath the nail to clear dirt or smooth the nail.