Dr. Karen R. Zhou MD

Recommended Articles

• HIV: 5 Transmission Myths

  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...

• Boost Your Energy Levels

  Boost your energy and recharge yourself, no matter how busy you are in work or life. You can use a 10 minute break to reinvigorate yourself and gear up for the rest of the day. Some of the quick ways to boost energy include:...

• Natural Remedies for Nasal Congestion

  What is a nasal congestion?Cold, flu, and sinus infections are often few of the culprits that lead to sinus and nasal congestion. Most people must have experienced sinus-related pain and pressure in some point of their lives, and often, people tend to recover without taking antibiotics or any other...

• What Are Petechiae?

  What Are Petechiae?Petechiae can be described as marks or blotches that normally appear on the skin and are tiny, round, and purplish or reddish in color. Petechiae are usually pinpoint-sized. Minor hemorrhage (bleeding that is localized below the skin) is the source of petechiae.Although they...

• What Could an Itchy Vulva Mean?

  The vulva is the external part of the female genitalia, which includes the skin between the anus and the vagina, and the lips of the vagina. An itchy vulva is medically called pruritus vulvae. It is normal for women to experience a slight vulvar itch, but if you have an uncomfortable and persistent...

• Do I Have Migraines?

  Do I Have Migraines?Migraines are one of the most common types of headaches that affect people. The irritating pain is often accompanied by characteristic warning signs like blind spots, nausea, vomiting, and other symptoms. Migraines are caused by the enlargement of blood vessels along with the...