Dr. John N Campbell M.D.

Recommended Articles

• Is Malaria Preventable?

  Malaria is a serious, but preventable disease more commonly found in some tropical and subtropical countries. It is a disease caused by the infection of the parasite Plasmodium, which lives in mosquitoes. Malaria is spread by the bite of an infected mosquito. Many people who travel to places...

• When and How Is Ferrous Sulfate Used?

  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...

• How Can I Prevent Cold Sores?

  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...

• What Does Dark Stool Mean?

  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...

• Brown Fat is Great Fat

  Brown fat is a health-friendly fat that helps the body to burn calories, instead of storing the energy as fat. Typically, adults do not have a lot of brown fat. A new study suggests that heart hormones may stimulate the production of brown fat cells. Researchers conducted a study on animals and...

• When Could Polydipsia Be a Sign of Something Serious?

  Extreme thirst is medically referred to as polydipsia, which is believed to be the first signs of diabetes. Polydipsia can also be accompanied by dry mouth, which could be constantly or temporarily experienced.In order for the body to function properly, it is important to drink an adequate amount of...