Dr. David Olyn Hollis M.D.

Recommended Articles

• What Is Cellulitis?: Symptoms, Causes, and Treatments of Cellulitis

  Cellulitis is a bacterial infection, which usually occurs in the deep layers of the skin. The infection happens when bacteria enter the skin through open cuts and wounds. The infected area usually feels warm to touch, painful, red, and swollen.The most common part of the body affected by cellulitis...

• What Is a Normal Heart Rate?

  What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

• What are the Causes and Symptoms of Meningitis?

  Inflammation of the meninges, the delicate membrane covering brain and spinal cord, is called as meningitis. There are different types of meningitis based on the cause of the disease. Some of these forms have very mild symptoms and may resolve on its own, while some other forms are serious and life...

• Lifting Weights Helps the Elderly to Maintain Muscle Mass

  According to a recent study, people who are above 60-years-old should exercise more than younger adults to maintain healthy muscle mass. Lifting weights will help them to maintain the mass and size of muscles, reports the study. Study co-researcher and physiologist Marcas Bamman, PhD, of the...

• What are the Causes and Symptoms of Nail Fungus?

  Fungal infections are common in hair, nails, and surfaces of the skin. Nail fungus infects toe and finger nails and is more common in toe nails when compared to fingers. Also referred to as onchomyosis, this condition may become very painful affecting the whole nail. It usually starts as a small...

• Vitamin D Deficiency Signs and Symptoms

  What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...