Dr. Dan Zheng M.D.

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• What Causes Blood in Semen?

  What does blood in semen mean?Blood found in urine or stool can be a cause for concern. Similarly, when a man comes across blood in semen, then it can make him anxious. The medical term for blood found in semen is hematospermia or hemospermia. Fortunately, blood in semen does not always indicate a...

• Are Weight Loss Supplements Effective?

  Have you ever considered herbal supplements to achieve a slim physique? There are many different types of herbal supplements that contain a variety of ingredients, like appetite suppressants, Ephedrine, Chitosan, Dandelion, Clenbuterol, Cascara, Guar Guam, and diuretics. Are these ingredients safe...

• What are the Causes and Symptoms of Hepatitis A?

  Hepatitis A is a liver disease caused by a virus of the same name. Hepatitis A is one of the different types of virus that affects the liver and results in inflammation. The disease may be mild to severe, affecting the functioning of the liver. In mild cases, no special treatment is required and the...

• Anemia: Get the Facts

  Our body has three types of blood cells: white blood cells, red blood cells, and platelets. White blood cells (WBCs) or leukocytes are the type of cells that fights off infections in our body. The platelets work by helping our blood clot, and the red blood cells (RBCs) are the ones responsible for...

• Tdap Vaccine for Whooping Cough

  The Tdap vaccine protects the body from three diseases: tetanus, diphtheria, and whooping cough....

• How Long Can Sperm Live?

  Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...