Rheumatoid arthritis is a serious autoimmune disease that attacks the joints and other body parts. But RA can be tough to diagnose. Symptoms can mimic other illnesses, or they may flare, then fade, only to flare again somewhere else. Lab tests arenât perfectyou can test negative for RA factors and still have it.heumatoid arthritis is a serious autoimmune disease that attacks the joints and other body parts. But RA can be tough to diagnose. Symptoms can mimic other illnesses, or they may flare, then fade, only to flare again somewhere else. Lab tests arenât perfectyou can test negative for RA factors and still have it.
People with pyruvate dehydrogenase deficiency usually have neurological problems as well. Most have delayed development of mental abilities and motor skills such as sitting and walking. Other neurological problems can include intellectual disability, seizures, weak muscle tone (hypotonia), poor coordination, and difficulty walking.
Lactate dehydrogenase deficiency is a condition that affects how the body breaks down sugar to use as energy in cells, primarily muscle cells. There are two types of this condition: lactate dehydrogenase-A deficiency (sometimes called glycogen storage disease XI) and lactate dehydrogenase-B deficiency.actate dehydrogenase deficiency is a condition that affects how the body breaks down sugar to use as energy in cells, primarily muscle cells. There are two types of this condition: lactate dehydrogenase-A deficiency (sometimes called glycogen storage disease XI) and lactate dehydrogenase-B deficiency.