Phenylketonuria (PKU) is a rare inherited metabolic disorder in which the body cannot properly break down an amino acid called phenylalanine. Phenylalanine is found in many protein-containing foods and some artificial sweeteners. In people with PKU, the enzyme needed to process phenylalanine is missing or not functioning properly. As a result, phenylalanine builds up in the blood and brain, which …

A sore throat is pain, irritation, or scratchiness in the throat that often worsens when swallowing. It is a common symptom that can affect people of all ages and is usually caused by infections or environmental factors. Most sore throats are mild and resolve on their own, but some may indicate a more serious condition that requires medical attention. Symptoms …

Personality disorders are a group of mental health conditions characterized by long-lasting patterns of thinking, feeling, and behaving that differ significantly from cultural expectations. These patterns are often inflexible and can affect how individuals relate to others, manage emotions, and respond to everyday situations. People with personality disorders may struggle with relationships, work responsibilities, and social interactions. The behaviors and …

Schizotypal Personality Disorder and Schizoid Personality Disorder are not the same condition. Although both are classified as personality disorders and share some similarities such as social detachment, they have important differences in thinking patterns, behavior, and emotional expression. Schizotypal Personality Disorder is part of the schizophrenia spectrum and involves unusual beliefs and perceptual experiences. Schizoid Personality Disorder primarily involves emotional …

Schizoid personality disorder is a mental health condition characterized by a persistent pattern of detachment from social relationships and a limited range of emotional expression. Individuals with this disorder often prefer solitary activities and may appear indifferent to praise, criticism, or close relationships. Unlike psychotic disorders, schizoid personality disorder does not typically involve hallucinations or delusions. The condition usually begins …

Persistent Post-Concussive Symptoms, commonly known as Post-Concussion Syndrome, is a condition in which symptoms of a concussion continue for weeks, months, or sometimes longer after the initial head injury. A concussion is a mild traumatic brain injury that temporarily affects brain function, usually caused by a blow to the head or a sudden movement of the head and body. While …

Peritonitis is a serious medical condition characterized by inflammation of the peritoneum, the thin layer of tissue that lines the inner wall of the abdomen and covers most abdominal organs. This inflammation usually occurs due to a bacterial or fungal infection that spreads within the abdominal cavity. Peritonitis often develops as a complication of another medical problem, such as a …

Peripheral nerve tumors are abnormal growths that develop in or around the nerves outside the brain and spinal cord. These nerves are part of the peripheral nervous system and are responsible for transmitting signals that control movement, sensation, and certain body functions. Most peripheral nerve tumors are benign, meaning they are not cancerous and tend to grow slowly. However, some …

Peripheral nerve injuries occur when nerves outside the brain and spinal cord are damaged. These nerves make up the peripheral nervous system, which carries signals between the central nervous system and the rest of the body. Peripheral nerves control muscle movement, sensation such as touch and pain, and automatic functions like sweating. Injury to these nerves can disrupt communication between …

Perimenopause is the transitional stage before menopause when a woman’s body gradually begins to produce less estrogen. This phase marks the shift from the reproductive years to the end of menstruation. Perimenopause can start several years before menopause, most commonly in a woman’s 40s, although it may begin earlier for some women. During perimenopause, hormone levels fluctuate, which can cause …