In medicine, early detection means finding a disease as early as possible, perhaps before there are any symptoms.

Radical radiotherapy is an intensive course of radiotherapy given to try to cure a cancer.

Bacteria are single cell micro organisms. Some bacteria cause diseases if they get into the body. 

A bacterium is a single bacteria.

Having a balanced diet means eating a wide variety of foods to give you all the energy, protein, vitamins and minerals you need to stay healthy. For most of us, that means eating more fruit and vegetables (at least 5 portions a day), more fibre, less fat and cutting down on sugar, alcohol and salt.

Barium is a soft white metal. Doctors use barium sulphate to help them take X-rays of the digestive system. Before an X-ray you either have the barium as a white liquid drink (known as a barium meal or barium swallow) or you have it put into your back passage (a barium enema). X-rays cannot go through barium, so the outline of the stomach or bowel [..]

Abnormal cells in the lining of the food pipe (also called the gullet or oesophagus). The areas of abnormal cells are called dysplasia. Barrett's oesophagus slightly increases the risk of developing cancer of the oesophagus. It is most likely to be diagnosed in people who have a long history of burning indigestion.

Barrier methods of contraception are types of contraception that put a barrier between the penis and cervix to prevent pregnancy. They include condoms (sheaths) and caps (diaphragms).

Basal cells can be found in the deepest layer of the skin (epidermis). All new skin cells develop from basal cells.

Basal cell breast cancer is a type of breast cancer. Basal cells don’t usually have receptors for oestrogen, progesterone or the her2 neu protein, so doctors may call it triple negative breast cancer. This type of breast cancer is unlikely to respond to hormone therapy or Herceptin. Women diagnosed may be younger than with other types of breast can [..]