Which group typically does not experience a decrease in saliva production?

Show Answers

Older adults with diabetesIndividuals receiving radiation treatmentPatients diagnosed with Parkinson's diseasePeople taking phenothiazine medications

Explanation

Saliva flow is commonly reduced in elderly diabetics, patients undergoing radiation therapy, and those on phenothiazine drugs. However, individuals with Parkinson's disease generally do not show a significant decrease in saliva secretion.