Article continues below advertisementLa Toya Jackson had fans worried after posting a mysterious video from inside a doctor's office.The 68-year-old singer appeared on camera in a bright orange cap, oversized sunglasses and a matching scarf as she sat in a medical chair, speaking softly to her followers.Article continues below advertisementSource: @latoyajackson/InstagramLa Toya Jackson shared a video from a doctor's office that worried fans.Article continues below advertisement"Hi guys, I hope everyone's doing well.