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.
Disruptions in the deeper layers of the nail bed cause problems such as fingernail ridges. Disruption of the superficial layer creates surface problems such as pitting. Nails grow around 1 milllimeter every six to 10 days, so ridges can indicate when a deficiency began.isruptions in the deeper layers of the nail bed cause problems such as fingernail ridges. Disruption of the superficial layer creates surface problems such as pitting. Nails grow around 1 milllimeter every six to 10 days, so ridges can indicate when a deficiency began.