Dr. Harb L Rank M.D.

Recommended Articles

• Are You Dehydrated?

  Everyone knows that your body needs water to function properly, yet many of us are dehydrated. What most people don’t realize is how much water they actually need. Being dehydrated is your body’s reaction to not drinking enough water, resulting in a fluid deficiency. Researchers estimate that...

• When to See Your Doctor About Back Pain

  One of the most common reasons why people visit their doctor is their back pain. According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), 8 out of 10 people have some type of back pain. The pain originates in the spine and can manifest in multiple forms. The...

• 5 Facts You Never Knew About Genital Herpes

  Genital herpes is one of the most common sexually transmitted infections (STI) in the United States that mostly affects people between 14 and 49. It occurs as a result of infection with both types of herpes simplex virus (HSV)-HSV1 and HSV2. However, most people with genital herpes are infected with...

• What Is Nicotine?

  IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

• Black Stool: What Does It Mean?

  What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

• What are the Signs and Symptoms of Lung Cancer?

  Lung cancer is one of the most common cancers in the world. It is a leading cause of cancer death in men and women worldwide. Lung cancer defies classification as a single disease affecting just one organ. The warning signs and painful symptoms represent major systemic disorders in different parts...