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Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [ 1 ] [ 2 ] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the winter ...
Leaky gut syndrome; Legg–Calvé–Perthes disease; Legius syndrome; Leiner's disease; Lelis syndrome; Lemierre's syndrome; Lennox–Gastaut syndrome; Lenz microphthalmia syndrome; Lenz–Majewski syndrome; Leriche's syndrome; Leschke syndrome; Lesch–Nyhan syndrome; Lethal congenital contracture syndrome; Lethal white syndrome
Salla disease (SD) or mild Free Sialic Acid Storage Disease (FSASD) is an autosomal recessive [2] lysosomal storage disease characterized by early physical impairment and intellectual disability. Salla disease (also referred to as Finnish-type sialuria , OMIM#604369) was first reported as a lysosomal storage disorder in a family from northern ...
Adenylosuccinate lyase deficiency is responsible for a range of symptoms that involve psychomotor retardation, often accompanied by epileptic seizures, and autistic features. Two common theories were proposed to account for these effects, the first is that they result from decreased concentrations of purine nucleotides needed for purine ...
The average lifespan after the onset of symptoms in patients with MSA is 6–10 years. [4] Approximately 60% of patients require a wheelchair within five years of onset of the motor symptoms, and few patients survive beyond 12 years. [4] The disease progresses without remission at a variable rate.
Signs and symptoms of this progressive disease tend to become more marked as the child ages. Later, the condition causes wrinkled skin, kidney failure, loss of eyesight, and atherosclerosis and other cardiovascular problems. [12] Scleroderma, a hardening and tightening of the skin on trunk and extremities of the body, is prevalent.
Stiff-person syndrome, aka Moersch-Woltman syndrome, is a neurological disorder that can cause symptoms such as stiffening in the muscles of the trunk, along with stiffness and rigidity in the ...
CD55 deficiency, also called DAF deficiency or CHAPLE syndrome, is a rare genetic disorder of the immune system. CHAPLE stands for "CD55 deficiency with hyper-activation of complement, angiopathic thrombosis, and severe protein-losing enteropathy (PLE)." [1] The disorder usually manifests in childhood and can be life-threatening. This condition ...