It's best have medical issues looked at by a doctor.
Jack is a smoker who has been coughing a lot lately, but doesn't have a car to get to the hospital.
Jack wants to avoid having to find a ride to see a doctor.
Jack sets up a video conference with his doctor.
Jack ignores his cough as it worsens.
Jack's doctor is able to diagnose and prescribe him medicine from their video chat.
Jack gets lung cancer that could have been prevented if he had seen the doctor earlier.