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.
Horizontal Ridges In Nails. Horizontal lines in your fingernails, as the name suggests run side to side across your nail bed, unfortunately their presence signifies a more serious problem than vertical ridges. The main cause of horizontal or transverse ridges is usually trauma to the nail bed or a medical condition. If you happen to notice horizontal ridges and you have not experienced any recent trauma to your nails and you are concerned then I would take the time to talk to your health care provider.â.