Dr. Thomas H Li M.D.

Getting your child vaccinated in the afternoon will help him or her to sleep better in the following 24 hours, according to a new study. The study reports that infants who were vaccinated after 1:30 in the afternoon could sleep longer the following day.A small variation in the body temperature is...

What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

What is a urinary tract infection?The main function of the urinary system is to get rid of waste, maintain the body’s water balance, and regulate electrolytes. Its function starts with the kidneys, the organ that filter blood to produce urine, which is composed of extra fluid and wastes. Before...

According to a new study, Vietnamese nail salon workers are exposed to high levels of chemical that can be harmful for the health. The study published in the American Journal of Public Health shows that these workers are exposed to unsafe levels of toluene, a solvent associated with a number of...

New research shows that a pregnant mother drinking up to two glasses of alcohol may not harm the children. About 11,500 mothers and their children participated in this study. Researchers collected data regarding the drinking habits of the mothers when the kids were about 9 months old. When the...

What is ferrous sulfate?Ferrous sulfate is a form of iron that can be obtained through supplements. Our bodies mostly get iron through the different types of food we consume. Iron becomes a part of myoglobin and hemoglobin once it is inside the body. Myoglobin enables the storage of oxygen in...