Dr. John B Welch 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...

Bronchial tubes, which are an important part of the respiratory system, perform an important function of exchanging air to and from the lungs. However, sometimes due to various triggers, these bronchial tubes can get inflamed causing a mucus build-up. The symptoms like coughing and dyspnea that are...

Conjunctivitis is a very unpleasant eye condition that may cause discomfort and pain in the eyes. This disease has to be medically treated. Thus, it’s important to determine the causes and triggers of this disease. If you suspect that you have conjunctivitis, you should visit an ophthalmologist to...

IntroductionTo maintain good health, balanced cholesterol levels are quite important. The liver is an organ that detoxifies drugs and other foreign substances. It also stores glycogen, which the body utilizes for energy. Other important functions of the liver include metabolizing carbohydrates,...

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,...

Arthritis is a painful, progressive disease that affects the joints of an individual. There are many treatments available for arthritis. Each and every one of them works differently, depending on the stage of arthritis at which they are implemented. As we already know, if not treated, arthritis can...