Dr. John C Li M.D.

IntroductionPituitary dwarfism, also called growth hormone deficiency, is a medical condition wherein the pituitary gland does not produce sufficient amounts of growth hormone. This deficiency often results in children’s slow growth or short stature.An adult with pituitary dwarfism has an average...

IntroductionHave you ever wondered why a particular type of food tastes so good? Your taste buds let you recognize different food flavors such as the saltiness of chips and the sweetness of candies or doughnuts. According to ancient Greek view, that there are seven basic tastes, which consist of...

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:...

Sinusitis—also known as rhinosinusitis—is defined as an inflammation of the sinuses that results in a number of painful, irritating symptoms. If the sinusitis lasts for less than four weeks, it is diagnosed as acute sinusitis. If it lasts longer, it is defined as chronic sinusitis.A number of...

Laryngitis is a condition that occurs when the voice box - also called the larynx - is inflamed and becomes swollen. It therefore cannot vibrate. It thus produces a hoarse sound from the throat or in some cases, rids one of their voice entirely. Recovery without treatment is possible.Symptoms of...

Types of VertigoWhen the world seems as though it is spinning, without cause, it is time to check with a doctor. There are two common forms of vertigo; central and peripheral....