Drooling, which can be embarrassing in a social setting. You might have done so already, but making an appointment with a speech pathologist, knowledgeable in PD and neurological impairments may be beneficial for swallowing exercises. If you do not have other swallowing issues such as coughing or choking on foods or liquids. you may want to try sucking on hard candy and wearing a cotton wristband to wipe away the wetness. All the best for 2022. Marc M., Moderator, parkinsonsdisease.net