Dr. Yun Y Zeng M.D.

IntroductionHormones are a special kind of chemical messengers in the body that are created by the endocrine glands. These chemical messengers control and coordinate complex processes in the body, such as growth, metabolism, fertility, and reproduction. Hormones can also influence the body's immune...

Mupirocin is used to treat bacterial infections, such as methicillin-resistant Staphylococcus aureus (MRSA), folliculitis, and impetigo. It is also used for insect bites, small wounds, and infections caused by gram-positive bacteria. Since it is an antibacterial medication, it will be ineffective...

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

What is macerated skin?Maceration usually occurs when the skin comes in contact with moisture for a long period of time. Macerated skin appears white, wrinkly, and soggy. The skin also becomes soft, making it more susceptible to bacterial or fungal infections. In some cases, macerated skin can...

A sinus infection can be caused by bacteria, virus, or fungi. Some of the symptoms of a sinus infection are congestion in the nasal passages, headaches, fever, and cough. It is always advisable to consult a physician if you are experiencing any of these symptoms. However, there are some natural...

In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...