Dr. Ruby Ann Marr MD

A bruise is a skin injury in which the color of the skin changes due to the breakage of blood vessels under the skin. The affected skin becomes blue or black in color, as blood accumulates just under the surface of the skin, resulting in a raised area or bump. These bumps are painful and may take a...

Valley fever, or coccidioidomycosis, is a fungal infection that usually presents itself in the form of a lung disease. This condition is also known by the name desert fever, desert rheumatism, and San Joaquin Valley fever. This condition is very mild, in most cases, and requires no special...

Introduction Tonsils are a pair of lymphoid tissues that are located at the back of the throat. They belong to the lymphatic system and help fight infections. Normally, they are pinkish in color. However, sometimes, tonsils become enlarged, red, and irritated when they get infected.When they are...

What is a charley horse?A charley horse is a term used when referring to a muscle cramp or spasm. Although muscle cramps can occur in any muscle in the body, they are commonly experienced in the leg. In a muscle spasm, the muscle uncontrollably contracts and does not relax. When the contracting...

Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

The treadmill is one of the most popular workout equipment in the country. Yet, many people find the treadmill to be a monotonous and ineffective piece of equipment for workout. Some still wonder how they can use this equipment in a very efficient way to improve health. Calorie burning can be...