Chasing Twenty Three

There are several types of color blindness   The term for a person who can not distinguish colors is "colorblind". If you're colorblind, this particular number starts to drop as you gain more options to produce color mixtures using your color receptors better.   To understand this type of color blindness, it's helpful to understand that the human retina consists of two types of cells. They are called cones and…

  The butterfly rash or also known as leukocytosis is a red rash that begins on the lower legs, arms, or buttocks and gradually progresses towards the head. It can lead to a burning, itching, and painful rash. It can be caused by an allergic reaction to fungi or bacteria.   Usually the rash appears on the affected area and spreads with exposure to sunlight. There is no cure for…

Scintillating scottoma is a condition in which patients see alternating, flickering and highly intense flashes of light that appear on one side of their head. It usually starts between the ages of thirty and fifty and can continue to recur periodically for up to six months, or even longer. The positive aspect of this scottoma, comprised of bright colored and black-colored zigzagging lines, is often accompanied by a dark negative…

Swollen lymph nodes are a common symptom of congestive heart failure   They are found in the neck or the groin area and occur without warning and without any identifiable cause. This article will describe some causes of swollen lymph nodes and ways to control them. The symptoms and diagnosis can be complicated, so if you suspect that your neck is feeling warm and have unexplained pain or pressure in…

The vestibular canals of the inner ear are connected to the brain through the auditory canal, where sound waves are converted into chemical signals that are interpreted by the brain. The inner vestibular canals have a complex network of tubes and ducts that forming a canal that extends into the brain.   The inner ear consists of three small semicircular canals, each with one or more ampulla, which are air-filled…