1131 results found
Health topics
… to insulin. Insulin lets sugar (glucose) enter the body's cells, where it is used for energy. Insulin also helps muscles, fat, and liver cells store sugar to be released when it is needed. If the … his or her pancreas makes and the less the person's body cells respond to insulin. People who are overweight mostly …
Health topics
… Radiation therapy is the use of X-rays to destroy cancer cells and shrink tumours. Radiation damages the cells in the area being treated, stopping or slowing the growth of the cancer cells. Why It Is Done Radiation therapy is used to control …
Health topics
… What is breast cancer? Breast cancer occurs when abnormal cells grow out of control in one or both breasts. These cancer cells can spread (metastasize) to nearby tissues and form a mass, called a tumour. The cells can spread within the breast, to nearby lymph nodes …
Medical tests
… needle into a lump or abnormal area and removes a sample of cells or fluid. Core needle biopsy. Your doctor makes a … sample is the only reliable way to find out if cancer cells are present. How To Prepare If you take a medicine … when to stop eating and drinking, or your surgery may be cancelled. If your doctor has told you to take your medicines …
Health topics
… It Works Surgery is more effective in early-stage non-small cell lung cancer when the lung cancer can be completely … cavity. Surgery is sometimes used in limited-stage small cell lung cancer, when there is a single tumour and the cancer has not spread to the lymph nodes. But small cell lung cancers are not often diagnosed at this early …
Health topics
… starts in the right atrium in a group of special heart cells called the sinoatrial (or sinus) node. These cells act as a pacemaker for the heart. The heart's … What makes your heart rate speed up or slow down? The cells of the SA node at the top of the heart are known as …
Health topics
… ). Blood and blood vessels. Low levels of white blood cells (leukopenia) and red blood cells ( anemia ) as well as spleen enlargement (an organ involved in making blood and immune cells) may occur. When these problems occur together, it is …
Health topics
… What is breast cancer? Breast cancer occurs when abnormal cells grow out of control in one or both breasts. These cells can invade nearby tissues and form a mass, called a malignant tumour. The cancer cells can spread (metastasize) to the lymph nodes and other …
Health topics
… metastatic or recurrent colorectal cancer. Sometimes cancer cells are too small to be found by tests. These cells may continue to grow and show up later as metastatic … symptoms. What Happens Cancer is the growth of abnormal cells in the body. If the cancer keeps growing, over time it …
Health topics
… is testicular cancer? Testicular cancer occurs when cancer cells grow in the tissues of one or both testicles (testes). … people with testicles. Most testicular cancers start in cells that make sperm. These cells are called germ cells. The two main types of …
