Dr. Norman P Knowlton M.D.

Probiotics are microorganisms that are helpful to improve the digestive system. Probiotics are typically found in different foods and supplements. These microorganisms maintain the balance of the microbial flora in the intestines. It promotes the growth of good bacteria, and inhibits the growth of...

Cold sores are groups of small fluid-filled blisters that form on and around the lips. These blisters, also known as fever blisters, are sore and reddish in color. As the blister breaks open, the fluid oozes out and forms a crust. In most cases, cold sores resolve within few weeks.Fever blisters are...

Developing gray hair is inevitable in everyone's life time. "The color of the hair changes when the pigment-producing cells stops the production of the pigment," says Jeffrey Benabio, MD, a dermatologist at Kaiser Permanente in San Diego. The color may also be bleached by the build up of naturally...

IntroductionA small bump on any part of the body is always a troublesome affair. Has anyone wondered whether it is just a boil or a pimple? Although the two often look so similar, they are actually two different things. A pimple and a boil may start out similarly, wherein there would be a reddish...

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...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...