Dr. Mark Zhiming Zhang M.D.

The initials 'HIV' stand for Human Immunodeficiency Virus. As the name suggest, it is a viral attack that completely weakens the defense systems of a human being leaving them open to invasion from bacteria and other disease causing micro-organisms.Once infected, the virus finds its way into the...

A urinary tract infection (UTI) is a common infection in any part of the urinary or renal system (urethra, ureters, bladder, and kidneys). In fact, it is the second most common type of infection among adults. Besides being responsible for over 8 million visits to healthcare professionals every year,...

Thyroid problems are more common among women and are especially prevalent during pregnancy as an intercurrent disease. Despite being common during pregnancy, it can be fairly serious to the health of both the mother and the fetus.How do thyroid problems affect pregnancy?There is always an increased...

IntroductionThe phase of pregnancy in itself is a beautiful experience, and once the baby arrives, there are so many thoughts crossing the new mother’s mind. The first thought that comes in is whether the baby would get enough breast milk. Similar to the pregnancy phase, the process of...

Surgical options that help to limit the intake of food or absorption of nutrients resulting in the loss of weight are known as weight loss surgeries. Also referred to as bariatric surgery, this option is often recommended for those who have severe obesity. This option has been in practice for many...

The inflammation of the vagina is what is known as vaginitis. Infection is the leading cause in premenopausal women.  A low estrogen level after menopause mostly results in atrophic vaginitis (vaginal atrophy). You may get vaginitis due to hypersensitivity to an irritating chemical like...