A 20 year old student presents with clinical symptoms of necrotizing ulcerative gingivitis (NUG). Food intake for the last 24 hours indicates a soft diet lacking in fruits and vegetables. The patient’s diet is important to investigate further because

patients with NUG lose interest in eating.

a deficiency of certain nutrients causes NUG.

NUG can be cured through modification of diet.

NUG may be limiting the food choices the patient is making.