What is Radon? Radon is a gas that you cannot smell, taste or see. Radon forms naturally when uranium, thorium, or radium, radioactive metals, breaks down in rocks, soil and groundwater. People can be exposed to radon primarily from breathing radon in air that comes through cracks and gaps in buildings and homes.
The term 'prevalence' of Ehlers-Danlos syndrome usually refers to the estimated population of people who are managing Ehlers-Danlos syndrome at any given time. The term 'incidence' of Ehlers-Danlos syndrome refers to the annual diagnosis rate, or the number of new cases of Ehlers-Danlos syndrome diagnosed each year.
Ehlers-Danlos syndrome Syndrome characterized by hyperelasticity of the skin, hyperextensibility of the joints and fragile blood vessels. It is inherited as an autosomal dominant disorder of connective tissue with an increase in dermal elastic tissue and a decrease in collagen.eckwith-Wiedemann syndrome an inherited disorder characterized by exomphalos, macroglossia, and gigantism, often associated with visceromegaly, adrenocortical cytomegaly, and dysplasia of the renal medulla.