Smiling male doctor taking selfies on his phone

doctor stethoscope medical clinic lab coat medicine paramedic adult student heathcare medicare hospital portrait professional occupation 20-29 years illness photography care expertise using phone 30-39 years gesturing smiling positive emotion computer mobile phone occupation smart phone human hand 4k 40-49 years body part thumb people technology moving activity alternative pose adult russia happiness selfie 50-59 years hand coat communication wireless digital tablet telephone control adults only photo messaging movie camera lifestyles holding general - military rank