Tetrahydrobiopterin (BH4) is an essential cofactor in the production of neurotransmitters and nitric oxide. Genetic variants impact BH4 levels which can affect heart disease, cognitive function, and immune response.
Are you dealing with dry eyes and dry mouth? Sjögren’s syndrome is an autoimmune disorder that affects moisture-producing glands. Discover the underlying causes of Sjögren’s syndrome and the genetic variants that increase susceptibility.
This article dives into the research on Guillain-Barré syndrome, explaining the course of the disease, and covering the genetic variants that increase the relative risk of this serious autoimmune disease.