Sheltie pass away from health conditions such as impaired vision or blindness, and hereditary eye diseases. Epileptic bouts and heart diseases are very serious threats to a Sheltie’s life. The severe blood-clotting disease is also a threat to the life of a Sheltie. Shelties are fun-loving pets to have around the house, they are very smart, inquisitive and instinctive when it comes to guarding you against strangers.  Grooming Shelties can be quite tedious, so if you’re someone who isn’t into all that stress, you’re advised to look for other options. Finally, Sheltie is a good-looking dog breed; However, the health problems it is prone to, tends to underscore the joy it brings to the family unit.