What Are Strains and Sprains? A strain is when a muscle or tendon (tissue that attaches muscle to bone) is stretched too far. A strain is sometimes called a "pulled muscle." Depending on the level of ...

Puberty is the time when your body grows from a child's to an adult's. You'll know that you are going through puberty by the way that your body changes. Usually, these changes begin between the ages ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The male reproductive system is made ...

Medically reviewed by: Joseph H. Piatt Jr., MDThis link opens in a new tab Learn About Neurosurgery Care at Nemours Children's HealthThis link opens in a new tab A ventriculoperitoneal (VP) shunt is a ...

Occupational therapy (OT) is a branch of health care that helps people of all ages who have physical, sensory, or cognitive problems. OT can help them regain independence in all areas of their lives.

Carbohydrates (carbs) are one of the three big nutrients that make up food. The others are protein and fat. Carbs give your cells energy. People with diabetes need to know about carbs because all ...

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

What Is Seasonal Affective Disorder? Seasonal affective disorder (SAD) is depression that happens only at a specific time of year. With SAD, a person becomes depressed in fall or winter, when days are ...

Medically reviewed by: Amy W. Anzilotti, MDThis link opens in a new tab Learn About Dermatology (Skin Care) at Nemours Children's HealthThis link opens in a new tab Keratosis pilaris (pronounced: care ...

Medically reviewed by: Robin E. Miller, MDThis link opens in a new tab Learn About Cancer & Blood Disorders Care at Nemours Children's HealthThis link opens in a new tab Hereditary hemochromatosis is ...

Medically reviewed by: KidsHealth Medical ExpertsThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The digestive system breaks ...

Teens are busy, and often skip meals. Even if you eat three meals a day, you may still feel hungry between meals. Either way, it can be tempting to grab something fast, like cookies, chips, and candy.