Stuttering is a speech disorder characterized by disruptions in the normal flow of speech. These disruptions may include repeating sounds, syllables, or words, prolonging sounds, or experiencing blocks where speech stops temporarily. Stuttering often begins in early childhood during speech and language development, but it can persist into adulthood. The severity varies widely and may change over time or in …

Sprains are common injuries that occur when ligaments are stretched or torn due to sudden movement or force. Ligaments are tough bands of tissue that connect bones and stabilize joints. Sprains most often affect joints such as the ankle, wrist, knee, or thumb and can range from mild overstretching to complete ligament tears. The severity of a sprain determines the …

A sprained ankle is a common injury that occurs when the ligaments supporting the ankle are stretched or torn. Ligaments are strong bands of tissue that connect bones and help stabilize the joint. An ankle sprain often happens when the foot twists, rolls, or turns awkwardly, commonly during sports, walking on uneven surfaces, or accidental falls. The severity can range …

Spinal stenosis is a condition in which the spaces within the spine become narrowed, putting pressure on the spinal cord or spinal nerves. This narrowing most commonly occurs in the lower back or neck and often develops gradually over time. Spinal stenosis is frequently related to age-related changes in the spine, but it can also affect younger individuals depending on …

A spinal cord tumor is an abnormal growth of cells that develops within or around the spinal cord or spinal canal. These tumors can be noncancerous or cancerous and may originate in the spinal cord itself or spread from other parts of the body. Depending on their size, location, and growth rate, spinal cord tumors can interfere with nerve signals, …

Spinal arteriovenous malformation is a rare vascular condition in which there is an abnormal connection between arteries and veins in or around the spinal cord. This abnormal blood flow bypasses the normal capillary system, leading to increased pressure and reduced oxygen delivery to spinal cord tissue. Over time, this can damage the spinal cord and cause progressive neurological symptoms. Spinal …

Spina bifida is a congenital condition that occurs when the spine and spinal cord do not develop properly during early pregnancy. It is a type of neural tube defect and can vary widely in severity, from mild forms with no noticeable symptoms to severe forms that cause significant physical and neurological disabilities. Spina bifida develops before birth and is present …

Spider bites occur when a spider injects venom into the skin while biting, usually as a defensive reaction. Most spider bites are harmless and cause mild symptoms similar to insect bites. However, a small number of spider species can cause more serious reactions. The severity of symptoms depends on the type of spider, the amount of venom injected, and the …

Specific phobias are a type of anxiety disorder characterized by an intense, irrational fear of a particular object, situation, or activity. The fear is out of proportion to the actual danger and leads to significant distress or avoidance. Common examples include fear of heights, animals, flying, injections, or enclosed spaces. Specific phobias often begin in childhood or adolescence and may …

Somatic symptom disorder is a mental health condition in which a person experiences excessive and persistent concern about physical symptoms. These symptoms may or may not have a clear medical explanation, but the distress and preoccupation with them are disproportionate to any underlying condition. The disorder can significantly interfere with daily life, relationships, and emotional well-being. Symptoms are real and …