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A diuretic is a substance that removes water from the body by promoting urine formation and the loss of salt (sodium). Caffeine

A doula is someone who provides emotional support and comfort measures during labor and delivery. Doulas may also provide support

DNA (deoxyribonucleic acid) is a molecule found inside cells. DNA is shaped like a spiral ladder. It carries the genetic

Diverticulosis is a condition in which pouches called diverticula form in the wall of the large intestine (colon). The pouches may

A due date is an estimate of when a pregnant woman will have her baby. It is calculated by taking the first day of her last

Dupuytren's disease is a thickening and shortening of tissue under the skin in the palm of your hand. It often affects the ring

Dust mites are tiny spiderlike creatures (arachnids) that feed mostly on flakes of dead human skin. Mites do not bite humans or

Drug resistance (such as antibiotic resistance) occurs when disease-causing organisms change over time and adapt in ways that

Developmental delays are present when a child does not demonstrate abilities and skills commonly found in other children in the

Earwax is a naturally produced secretion that protects the ear canal. It is a mixture of skin, sweat, hair, and debris (such as