Robert Katz MD

Recommended Articles

• 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...

• Scabies Rash Pictures

  What is scabies?Scabies is a contagious skin condition characterized by small and itchy red spots caused by a tiny mite called Sarcoptes scabiei. Mites tend to burrow into the skin, which urges an individual to itch. Itching often worsens during nighttime. Scabies can spread through prolonged...

• Different Types of Physicians Explained

  Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

• What Could an Itchy Vulva Mean?

  The vulva is the external part of the female genitalia, which includes the skin between the anus and the vagina, and the lips of the vagina. An itchy vulva is medically called pruritus vulvae. It is normal for women to experience a slight vulvar itch, but if you have an uncomfortable and persistent...

• The History of Rheumatoid Arthritis

  Introduction Rheumatoid arthritis causes inflammation of the joints and other body areas. It is an autoimmune disease and its symptoms include:...

• What Is Metabolism?

  IntroductionMetabolism is a complex biochemical process that is needed to maintain life. Availability of nutrients and nutrition are closely associated with metabolism since metabolism is a process that involves the conversion of food into energy, which is used to fuel the body's cells. The basal...