Mr. Timothy Leo Nolan MD

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Developing gray hair is inevitable in everyone's life time. "The color of the hair changes when the pigment-producing cells stops the production of the pigment," says Jeffrey Benabio, MD, a dermatologist at Kaiser Permanente in San Diego. The color may also be bleached by the build up of naturally...

A sore throat is simply defined as pain, irritation or itchiness of the throat. A person having a sore throat may have difficulty swallowing foods and liquids. In addition, the pain may be exacerbated when you try to swallow. A sore throat can affect both children and adults. Symptoms of sore...

What is tonsillitis?Tonsils are two glands located at the back of the throat and can be seen through the mouth. These glands help prevent infections from developing in the body. Tonsillitis happens when the tonsils become inflamed or infected by viruses or bacteria. Tonsillitis is a common...

OverviewTylenol (acetaminophen) and codeine are used for the treatment of mild to moderate pain. Aside from pain, acetaminophen is also used to reduce fever. Tylenol is not a habit-forming drug. However, when this drug is taken in large dosages, serious liver damage including other negative side...

A new idea of having an implantable microchip to deliver drugs on medication may replace daily injections and improve patient compliance in treatments. The new programmable device, discovered by researchers at Massachusetts Institute of Technology (MIT), was tested on humans and the results...