Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Imerslund-Grasbeck syndrome ?
    ### Response:
    What are the signs and symptoms of Imerslund-Grasbeck syndrome? Affected individuals often first experience non-specific health problems, such as failure to thrive and grow, recurrent gastrointestinal or respiratory infections, pallor and fatigue. Individuals often have anemia, and about half of affected individuals also have mild proteinuria but no signs of kidney disease.
    