Dr. Ji Jill Chen M.D.

Listeriosis is a foodborne disease caused by the infection of the bacteria Listeria monocytogenes. This infection may cause severe symptoms in pregnant women and people who have a weak immune system. It may also affect newborns and the elderly. The symptoms are generally not very serious in the case...

Swollen feet can be easily linked to pregnancy, standing for long hours, or injury by most people. These cases are often temporary and not a cause for concern. However, swollen feet can also be experienced by people without these factors and can be a sign of an underlying medical condition,...

IntroductionChronic sinusitis is the inflammation of the sinuses that tend to persist for 12 weeks or more, despite treatment attempts. Another term for chronic sinusitis is chronic rhinosinusitis, which causes mucus buildup due to an impaired drainage of the sinuses. People with chronic sinusitis...

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

What is cholesterol?Cholesterol is primarily produced in the liver, which makes approximately 1,000 milligrams of cholesterol per day. However, it can also be produced by the cells lining the small intestines and also by each cell present in the body. Abnormally low cholesterol levels would mean...

IntroductionThe 377 pill is an elliptical or oval-shaped, white-colored tablet with an imprint of "377". It has been identified to contain tramadol hydrochloride in the strength of 50 mg. This tablet is manufactured by Sun Pharmaceutical Industries Ltd. The size of this tablet is 13 mm. It is only...