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Fever What is a fever? A fever is a body temperature that is higher than normal. It often means there is an abnormal process occurring in the body. Exercise, hot weather, inflammation, infection, vaccines, and many other things can make body temperature rise. What causes a fever

Uterine Fibroids What are uterine fibroids? Fibroids are firm, dense tumors made of smooth muscle cells and fibrous connective tissue. They develop in the uterus. About 1 in 5 to 1 in 2 women of reproductive age have fibroids, but not all are diagnosed. Fibroids are very common

Menstrual Cramps (Dysmenorrhea) in Teens What are menstrual cramps in teens? Menstrual cramps are severe, painful cramps that occur during a period. There are two types: Primary. This type starts soon after the first menstrual period. It's usually lifelong. But it may get better

Inhalers and Nebulizers for Asthma Several types of devices are used to deliver medicine in a fine mist right into the lungs. They are used to treat asthma. They can also treat other lung diseases, such as chronic obstructive lung disease. These medicines are the best and safest

Overview of Sleep Disorders Facts about sleep disorders Loss of sleep can cause problems at home or on the job. It can lead to serious or even fatal accidents. The National Sleep Foundation notes that: Between 50 and 70 million U.S. adults have some type of sleep or wakefulness

Dental Sealants What are dental sealants? Dental sealants are thin, plastic coatings that bond to the chewing surfaces of the back teeth (molars and premolars). Sealants help prevent tooth decay (cavities). They work very well on the back teeth. These teeth contain more hard-to

Metabolic Syndrome What is metabolic syndrome? Metabolic syndrome means that you have three or more health problems that put you at higher risk for diabetes, heart disease, and stroke. It is also known as insulin resistance syndrome. It's also called syndrome X. If you have

Neonatal Abstinence Syndrome What is neonatal abstinence syndrome? Neonatal abstinence syndrome (NAS) is a set of signs and symptoms that may occur after babies are exposed to medicines or other substances in the uterus before birth. Babies can then experience withdrawal after

Scars What is a scar? A scar is the body's natural way of healing and replacing lost or damaged skin. It's often made of fibrous tissue. Scars may form due to infections, surgery, injuries, or inflammation of tissue. They may appear anywhere on the body. A scar may look flat

Pollen and Children What is pollen? Each grain of pollen is tiny (microscopic). When there is a lot of pollen together, it becomes a fine yellow powder. It's made of the male reproductive cells of flowering plants, trees, grasses, and weeds. It's the most common cause of hay