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.
Symptoms. Signs and symptoms of the most common form of Ehlers-Danlos syndrome include: 1  Overly flexible joints. 2  Because the connective tissue that holds joints together is looser, your joints can move far past the normal range of motion.3  Small joints are affected more than large joints.ymptoms. Signs and symptoms of the most common form of Ehlers-Danlos syndrome include: 1  Overly flexible joints. 2  Because the connective tissue that holds joints together is looser, your joints can move far past the normal range of motion.