Dr. William J Yost MD

Many people find it difficult to describe when they are tired. Some call it exhaustion, while others name it tiredness. Few others may call it fatigue. Fatigue, or tiredness, is a non-specific condition with numerous causes. Fatigue can be either physical or mental, although the two condition are...

What is athlete’s foot?Athlete’s foot is a type of fungal infection that affects the feet or toes. This fungal infection is medically known as tinea pedis. The fungus that causes the infection usually feeds on keratin or the skin protein. Keratin is found in the skin's top layer, including...

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Heartburn is usually triggered when stomach acid travels up toward the esophagus and cause a burning feeling in your throat or chest. It can be a very unpleasant feeling, but there are natural home remedies that can help relieve it aside from taking over-the-counter medications. However, it's time...

IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...

Many people who try to lose weight insist on a healthy, balanced diet to shed the pounds they want to lose. Sugar substitutes and artificial sweeteners are a common ingredient in the diet that enables the individual to substitute sugar with these products to help with an effective weight loss. Sugar...