Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) LCHAD deficiency ?
    ### Response:
    LCHAD deficiency, or long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency, is a mitochondrial condition that prevents the body from converting certain fats to energy, particularly during periods without food (fasting). Signs and symptoms typically appear during infancy or early childhood and can include feeding difficulties, lack of energy, low blood sugar (hypoglycemia), weak muscle tone (hypotonia), liver problems, and abnormalities in the retina.
    