What is TSH? TSH is a hormone that is created by the pituitary gland that tells the thyroid gland how much thyroid hormone to make. Symptoms of high TSH include fatigue, depression, cold intolerance, constipation, infertility and other symptoms. The thyroid plays an essential function in the body — it releases a hormone that regulates …

Currently, there is no cure for color blindness that is present since birth. Most color-blind people can clearly see things like others, but they are unable to fully “appreciate or see” red, green, or blue light. There are extremely rare cases where people are unable to see any color at all, but the most common color blindness is red-green color …

What is testicular pain? The testicles are a sensitive part of a man's body. Causes of testicular pain may be trauma, testicular torsion, epididimytis and other conditions. The testicles are a sensitive part of the male body. Even relatively minor injuries to them cause great pain, and many conditions can affect them.  Testicles hang from the body in a pouch …

What is upper left abdominal pain? Pain in the upper left abdomen can be severe. It can be caused by a range of issues, most commonly stomach problems or conditions that affect the internal organs in that area. The upper left side of your abdomen is home to several of your major internal organs. Your spleen and a large portion …

What is spotting before your period? Spotting or light vaginal bleeding can take occur at any time during your cycle. Some benign and not benign conditions may lead to spotting before your period. The story goes that menstrual cycles come and go like clockwork on a fixed 28-day cycle. Your period will last about three to five days — maybe …

What is mastoiditis? Mastoiditis is an infection of the mastoid bone behind the ear. Mastoiditis symptoms include pain, fever, redness and hearing loss. Mastoiditis is an infection in the mastoid bone, located just behind the ear. A mastoid infection, also called “mastoiditis,” is usually a complication of a middle ear infection. Most cases of mastoiditis are in children less than …

Hemophilia is a rare bleeding disorder in which the blood doesn't clot normally. There are various types of hemophilia depending on which clotting factor is affected. The three main types of hemophilia are: Hemophilia A: It is also called classic hemophilia. It is due to the deficiency of clotting factor VIII (eight) in the blood. It is the commonest type …

What are sharp stomach pains during pregnancy? Many women experience sharp pains in their stomach during pregnancy. Learn when you should see a doctor for sharp stomach pains during pregnancy. It can be difficult and stressful for pregnant women to tell the difference between normal pregnancy pains and signs that something is wrong. As your body adjusts to accommodate the …

What is an upper respiratory infection? An upper respiratory infection results in inflammation in the nose, throat, sinuses, larynx and pharynx often due to cold viruses. You may need to see a doctor for an upper respiratory infection if you develop a fever, pain, sore throat or symptoms of a bacterial infection. An upper respiratory infection is inflammation in the …

What are hormone receptors? The hormone receptors are the “eyes” and “ears” of the cells. Before understanding what estrogen receptors are, let us know what are receptors. Cell receptors, including hormone receptors, are special types of proteins that are found within or on the surface of cells. They are spread throughout the body and can attach to certain substances in …