Dr. John Matthew Holst D.O.

What are Carbohydrates?The body converts the food we eat into energy. Even though we obtain calories and energy from different food sources, such as carbohydrates, fats, and proteins, our main source of energy is still from carbohydrates. The body converts these carbs into glucose, which is the main...

Swellings, referred to as weals, manifest on the skin as rashes. They are normally pink or red in color, possess an oval or circular shape, and may be surrounded by a reddish flare. Hives can be detrimental and awfully itchy.The weals normally appear in batches, and frequently occur on the face,...

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...

Varicose veins can unfortunately can be something that one can have little control over, since it can be handed down through inheritance. If you had family members who suffered from this condition, the chances are high that you can get the condition as well. It is of great importance to be aware of...

Unfortunately, there is an increasing prevalence of hypertension, which is the term used to indicate high blood pressure with a reading of 140/90 mm Hg or higher. It is being blamed on living a modern lifestyle, the frequency of alcohol and tobacco intake, certain physical activities, and processed...

Blepharitis refers to the inflammation of the eyelid resulting in red and itchy eyes. This is a very common eye condition and can affect people of all age groups. It is not a very serious condition and will not affect one's vision in the future. Yet, blepharitis can be very uncomfortable and...