What can be done to prevent the condition?
There is no known way to prevent hyperthyroidism.
What are the long-term effects of the condition?
Long-term effects can include metabolic problems and changes in skin, hair, and nails. Hyperthyroidism can also lead to osteoporosis, or thinning of the bones. People with Graves' disease may have changes in the eyes that persist despite treatment.
What are the risks to others?
Hyperthyroidism does not involve any risk to others.