Long-term use of seizure medications can disrupt calcium metabolism, but this can be treated with vitamin D or UV light and does not affect seizure control.
November 2019 in “BMC veterinary research” The hair loss in Belgian Blue crossbred calves was caused by a diet issue, not by disease or infection.
April 2020 in “Journal of the Endocrine Society” A patient with untreated congenital adrenal hyperplasia had large benign tumors in her adrenal glands removed, improving her symptoms.
82 citations,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
50 citations,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.