Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) pseudohypoaldosteronism type 1 ?
    ### Response:
    Pseudohypoaldosteronism type 1 (PHA1) is a condition characterized by problems regulating the amount of sodium in the body. Sodium regulation, which is important for blood pressure and fluid balance, primarily occurs in the kidneys. However, sodium can also be removed from the body through other tissues, such as the sweat glands and colon.
    