Dr. Howard Clayton Smith M.D.

Bronchial tubes are the airways through which air travels and reaches the lungs. The inflammation of these bronchial tubes is called bronchitis. The inflammation is more often caused by a viral infection, smoke, dust, or other irritants.Bronchitis may be due to a chest infection, inflammation of...

Sinus infection or sinusitis can be diagnosed by a qualified medical practitioner after a series of tests and examinations. Most cases are actually diagnosed based on the medical history of the patient and the examination of the doctor. This is because the more effective procedures like the MRI and...

You might have heard about chlorophyll at some point in your life--everyone who has gone to school has been told by their science teacher about how plants make their own food from sunlight. However, not everyone knows that the green substance commonly for imparting the color green to plants actually...

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,...

Uncontrollable shivering is characterized by the rapid shifting between muscle relaxation and contraction. It is through these contractions that the body warms itself up when exposed to cold. Shivering is not always accompanied by fever. In some cases, shivering may occur before the onset of...

What is Lightheadedness?Older adults commonly complain about feeling woozy, lightheaded, or a little faint.The reason may not be something dangerous, but still, if you feel lightheaded, it is better to be careful. Serious injuries due to a fall can result due to lightheadedness even though there...