Dr. Charles S Li M.D.

Recommended Articles

• How to Identify Insect Bites and Stings

  The cause or severity of insect bites or stings can be determined by the symptoms. Most bug bite symptoms cause itchy or painful red bumps. Other insect bites can cause welts or blisters. The following are some clues of common insect bites:...

• Is Strep Throat Contagious?

  How does strep throat spread?Sore throat is a very common condition that often affects kids and adults alike. Colds, flu, viruses, and other environmental irritants like polluted air, smoke etc can often cause this throat irritation. However, strep throat is different from the common throat...

• The Difference Between Crohn's Disease and Ulcerative Colitis

  Crohn’s disease is a chronic inflammatory bowel disease that affects the lining of the digestive tract. Ulcerative colitis is also characterized as a chronic, inflammatory bowel disease that causes inflammation in the digestive tract. Hence, both Crohn’s disease and ulcerative colitis (UC) are...

• What is Viral Pneumonia?

  Pneumonia is a type of infection that leads to lung inflammation. Viruses, fungi and bacteria are the leading sources of pneumonia.Viral pneumonia is a form of the virus that results in the flu and cold. When the viruses enter your lungs, they lead to swelling and oxygen flow disruption in the...

• What Causes Gallstones?

  OverviewMany people with gallstones are not aware of their condition. Gallstones are hard substances that are formed in the gallbladder. They are mainly composed of cholesterol, bilirubin, and bile salts. The stones are of different sizes ranging from a sand particle to a golf ball.Symptoms of...

• Vitamin D Deficiency Signs and Symptoms

  What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...