The skin is the largest organ in our body, and is made up of two major layers (epidermis and dermis), as well as various types of cells. The top (or outer) layer of the skin, the epidermis, is composed of three types of cells: flat, scaly cells on the surface called squamous cells; round cells called

Nearly half of adults snore, and over 25 percent are habitual snorers. Problem snoring and sleeping disorders are more frequent in males and people who are overweight, and usually worsens with age. Snoring is bothersome to others, but it can also be a sign of a more serious condition known as obstructive

Everybody gets a sore throat now and then. When you have a sore throat, this can affect speaking, swallowing, or breathing. Infections from viruses or bacteria are the main cause of sore throats, but allergies and sinus infections can also contribute. Some sore throats are worse than others. If you have

Spasmodic dysphonia (SD) is a voice disorder that causes involuntary spasms or contractions of the vocal cords, interrupting speech and affecting the quality of a person’s voice. The voice may sound broken, strained, or breathy depending on the type of SD. The two most common types of SD are the adductor

Swimmer’s ear (also called acute otitis externa) is a painful condition that affects the outer ear and ear canal that is caused by infection, inflammation, or irritation. These symptoms often occur after water gets trapped in your ear, especially if the water has bacteria or fungal organisms in it.