Medical worker checking his phone and laughing at something

stethoscope doctor medical exam medical clinic lab coat using phone adult student medicine prescription smart phone hospital mobile phone heathcare laughing text messaging technology discussion care telephone smiling young adult person portrait men happiness people communication occupation explaining cheerful child workplace 20-29 years 4k symptom males weekend activities adult lifestyles wireless russia advice 30-39 years 50-59 years 40-49 years adults only resting indoors