Dr. Peter S. Chan M.D.

Is bronchitis contagious? In most cases, only acute bronchitis is contagious. Learn more about when bronchitis is contagious, and how to prevent it from spreading.What is bronchitis?Tubes made of glandular goblet cells that direct air into your lungs, also known as bronchi, are located below the...

When Should I Get Checked For Prostate Cancer?Prostate cancer is more likely to occur in men aged between forty and seventy years. It is therefore important to be aware of the signs and symptoms of prostate cancer. Symptoms warrant a visit to the doctor as soon as possible.Deciding on whether or not...

Obstructive sleep apnea, the most common form of sleep apnea, is characterized by repetitive closure of the upper airway during sleep. This closure results in a recurrent cycle of sleep disruption and possible hypoxia. Symptoms include loud snoring, feeling unrested when you wake up, and a general...

Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...