Dr. Frederick M. Byl MD

Having a troubled sleep makes us wake up feeling all the more tired in the morning. Some of the reasons for sleep loss are very clear. It can include a crying infant, noisy neighbors, or even espresso nightcaps. Thomas Roth, PhD, director of the Sleep Disorders Center at Henry Ford Hospital in...

If you look into the back of your throat, you will see two oval-shaped pads of tissue. These are the tonsils, and there is one located on each side of the throat. When the tonsils become inflamed, a condition called tonsillitis occurs. ...

What is sleep apnea?Sleep apnea is a serious form of sleep disorder that occurs when a person's breathing is often interrupted while sleeping. The brain and other parts of the body do not get enough of oxygen when sleep apnea remains untreated. There are two main types of sleep apnea:...

Tinnitus refers to the ringing sensation in the ears. For some it is felt like a buzzing or whistling sound that troubles them at night. Tinnitus is actually very common and affects about one in five people. The disturbance may be continuous or periodic in nature. The noise varies in intensity and...

Sleep apnea is a sleep breathing disorder. It is characterized by repetitive pauses in breathing, which may occur several times per hour and may last for 10 seconds. It is usually a chronic condition. It results in poor sleep quality and excessive sleepiness in daytime. The most common type is...

In a thyroid biopsy, a small tissue sample of your thyroid gland is removed and then examined under a microscope to test for an infection, cancer cells, and other thyroid disorders. The thyroid is a small gland located in lower part of the neck, just below the larynx. The gland's main function is...