Type 1 diabetes is a chronic (life-long) autoimmune disease that prevents your pancreas from making insulin. Insulin is an important hormone that regulates the amount of glucose (sugar) in your blood. Under normal circumstances, insulin functions in the following steps: Your body breaks down the food you eat into glucose (sugar), which is your body’s main source of energy. Glucose enters your bloodstream, which signals your …

Gestational diabetes is a type of diabetes that develops during pregnancy in women who did not previously have diabetes. It occurs when hormonal changes during pregnancy affect how the body uses insulin, leading to elevated blood sugar levels. Gestational diabetes usually develops in the second or third trimester and often resolves after childbirth, but it requires careful management to protect …

Diabetes insipidus is a rare condition characterized by an imbalance in the body’s regulation of fluids, leading to excessive urination and intense thirst. It is not related to diabetes mellitus and does not involve blood sugar levels. The disorder occurs when the body does not produce enough antidiuretic hormone or when the kidneys do not respond properly to it. Symptoms …

Diabetes is a chronic metabolic condition characterized by elevated blood glucose levels due to problems with insulin production, insulin action, or both. Insulin is a hormone that helps glucose enter cells to be used for energy. When diabetes is not well controlled, it can lead to serious health complications affecting multiple organs. The main types include type 1 diabetes, type …

Neuromyelitis optica is a rare autoimmune disorder that primarily affects the optic nerves and spinal cord. It causes inflammation that can lead to vision loss, weakness, paralysis, and sensory disturbances. Neuromyelitis optica was once considered a form of multiple sclerosis but is now recognized as a distinct condition with different underlying mechanisms. The disease may occur as a single episode …

A deviated septum is a condition in which the nasal septum, the wall of cartilage and bone that divides the nasal cavity into two nostrils, is displaced to one side. This can reduce airflow through one or both nostrils and may interfere with normal breathing. A deviated septum can be present from birth or result from injury to the nose. …

Retinal detachment is a serious eye condition in which the retina, the light-sensitive layer at the back of the eye, separates from the underlying supportive tissue. This separation prevents the retina from functioning properly, leading to vision loss. Retinal detachment is a medical emergency that requires prompt diagnosis and treatment to prevent permanent blindness. It is more common in older …

Desmoplastic Small Round Cell Tumors are rare, aggressive cancers that usually develop in the abdominal cavity and primarily affect adolescents and young adults. They arise from soft tissues and are characterized by small cancer cells surrounded by dense fibrous tissue. This condition is uncommon and often diagnosed at an advanced stage due to nonspecific early symptoms. Symptoms Symptoms depend on …

Desmoid tumors, also known as aggressive fibromatosis, are rare, noncancerous growths that arise from connective tissue, particularly fibrous tissue in muscles, tendons, or ligaments. Although they do not spread to distant organs, desmoid tumors can grow aggressively into surrounding tissues and cause significant local damage. They can occur anywhere in the body and may recur after treatment. Symptoms Symptoms depend …

Dermatomyositis is a rare inflammatory disease characterized by muscle weakness and a distinctive skin rash. It is an autoimmune condition in which the immune system mistakenly attacks muscle fibers and skin tissue. Dermatomyositis can affect both adults and children and may develop gradually or suddenly. Early diagnosis and treatment are important to prevent long-term muscle damage and disability. Symptoms Symptoms …