Selenoses are diseases caused by an excess or deficiency of the chemical element selenium in the body.
Selenoses are usually bad because they are diseases, but they can be prevented by having the right amount of selenium in the body.
Examples:
She got selenoses because she didn't have enough selenium in her body.
The doctor studied selenoses to learn how to prevent them.
Selenoses can make people very sick.
The cat got selenoses because it ate too much food with selenium in it.
In some places, many people have selenoses because the food doesn't have enough selenium.
He learned about selenoses in school and told his mom to eat more food with selenium.