Canker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.They usually appear white, gray, or yellow in color, with a red border.anker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.
There are many reasons why someone may lose their hair. 1. Genetics. As mentioned above, male pattern baldness (MPB) is the most common hair loss condition in men, that occurs when hair recedes from the top and front of a maleâs scalp, creating a horseshoe-like band of hair around the sides of his head.
Most people normally shed 50 to 100 hairs a day. This usually doesn't cause noticeable thinning of scalp hair because new hair is growing in at the same time. Hair loss occurs when this cycle of hair growth and shedding is disrupted or when the hair follicle is destroyed and replaced with scar tissue. The exact cause of hair loss may not be fully understood, but it's usually related to one or more of the following factors: Family history (heredity) The most common cause of hair loss is a hereditary condition called male-pattern baldness or female-pattern baldness. It usually occurs gradually and in predictable patterns â a receding hairline and bald spots in men and thinning hair in women.