Although it is generally believed that 10% to 15% of the adult population suffers from chronic insomnia, and an additional 25% to 35% have transient or occasional insomnia, prevalence estimates vary because of inconsistent definitions and diagnostic criteria.
What is Seborrheic Dermatitis? Considered a chronic form of eczema, seborrheic dermatitis appears on the body where there are a lot of oil-producing (sebaceous) glands like the upper back, nose and scalp. The exact cause of seborrheic dermatitis is unknown, although genes and hormones play a role.
with seborrhoeic eczema your scalp becomes irritated red and scaly thick scabs can become itchy and very uncomfortable the inflammation of seborrhoeic eczema can cause it to spread to your face neck and behind the ears in severe cases it can also spread to the rest of your body the cause isn t known