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Learning Disorders in Children What is a learning disorder in children? A learning disorder is when a child has trouble learning in certain school subjects. Your child may have problems with reading, math, or writing. Skills are below what's expected for the child’s age, grade

Seasonal Affective Disorder or SAD What is seasonal affective disorder? Seasonal affective disorder (SAD) is a type of depression. It happens during certain seasons of the year, most often fall or winter. It is thought that shorter days and less daylight may set off a chemical

Prematurity What is prematurity? A baby born before 37 weeks of pregnancy is considered premature or born too early. Other terms used for prematurity are preterm and the nicknames "preemie" or "premie". About 1 in every 10 infants are born prematurely. Twins and other multiples

Urticaria (Hives) in Children What are hives? Hives (urticaria) are a sudden outbreak of red, itchy, and swollen areas on the skin. Hives can happen alone or as part of a severe allergic reaction. This condition often happens as an allergic reaction from eating certain foods or

Salmonella Infections What are salmonella infections? Salmonella infection is caused by the bacteria salmonella. Salmonella is a group of bacteria that can cause diarrhea in humans. There are many different kinds of salmonella bacteria. What causes salmonella infections

Hip Fracture What is a hip fracture? A hip fracture is a break in the thighbone (femur) of your hip joint. Joints are areas where two or more bones meet. Your hip joint is a "ball and socket" joint, where your thighbone meets your pelvic bone. The ball part of your hip joint is

Toxic Shock Syndrome (TSS) What is toxic shock syndrome? Toxic shock syndrome (TSS) is an illness that produces symptoms in many systems of the body. Certain bacterial infections release toxins into the bloodstream. These toxins can spread to many body organs. This can cause

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 a girl gets her first period. It's usually lifelong. But it may get

Varicose Veins What are varicose veins? Varicose veins are enlarged, twisted veins. They can happen anywhere in the body. But they are more common in the legs. Varicose veins are not considered a serious health problem. But they can be uncomfortable and can lead to more serious

Cataracts in Children What are cataracts in children? A cataract is a clouding of the eye's lens. The lens is normally clear (transparent). Cataracts keep light rays from passing through the lens and focusing on the retina. The retina is the thin layer of nerve tissue that lines