English textbooks

Does this test have other names? Human calcitonin, hCT, thyrocalcitonin What is this test? This test measures how much calcitonin is in your blood. Calcitonin is a hormone made by the thyroid. The thyroid is a butterfly-shaped gland in your neck.…

What is bursitis? Bursitis is inflammation of a bursa. A bursa is a closed, fluid-filled sac. It works as a cushion and gliding surface to reduce friction between tissues of the body. The major bursae (this is the plural of…

Does this test have other names? Total calcium, ionized calcium What is this test? A calcium blood test measures how much calcium is in your blood. Your healthcare provider can use this test to help diagnose and watch many conditions.…

Does this test have other names? Urinalysis (calcium) What is this test? This test measures the level of calcium in your urine. Your body uses calcium in many ways, from developing teeth to building bones. Your parathyroid gland regulates the calcium…

A typical pregnancy lasts, on average, 280 days, or 40 weeks—starting with the first day of the last normal menstrual period as day 1. An estimated due date can be calculated by following steps 1 through 3: First,…

To determine the number of calories and fat grams you need each day to lose, maintain, or gain weight, ask your healthcare provider or a registered dietitian. As a general guideline, to maintain your current weight, follow the three-step formula below. Remember, everyone’s body and…

Does this test have other names? Stool sample exam, fecal (poop) smear What is this test? This test looks for harmful bacteria in a culture sample from a bowel movement (stool). One kind of harmful bacteria is Campylobacter. It is…

What is Campylobacter infection in children? Campylobacter infection is a mild to serious digestive illness. It is caused by bacteria. It’s also called campylobacteriosis. Symptoms often include cramping, diarrhea, belly pain, and fever. The Campylobacter bacteria most often affect babies, teens, and young…

You need enough calories and protein during cancer treatment. The foods you choose can also help you cope with side effects of cancer and its treatment. One common side effect is diarrhea. Diarrhea is when you have bowel movements that…

What is pain? Pain is an unpleasant sensory or emotional experience. It may be sudden (acute) or long-term (chronic). Acute pain. This can be mild to severe pain, that starts quickly, and lasts a fairly short time, often…

Cigarettes Cigarettes, the most common form of tobacco used, cause about 90% of all lung cancer deaths in the U.S., according to the American Lung Association. Smokers are also at a higher risk for mouth, throat, esophagus,…

What causes cancer? There is no one cause for cancer. Scientists believe that it is the interaction of many factors together that leads to cancer. The factors involved may be genetic or environmental. Childhood cancers often happen or start in…