Broc Brown, a teenager in Jackson, Mich. is on track to becoming the world's tallest man alive.  He is currently 7 feet and nine inches tall and still growing.  According to Guinness World Records, the tallest man alive is Sultan Kösen, who stands at 8 Feet and 2.8 inches.

Brown was born with a rare genetic disorder called Sotos Syndrome, also known as Cerebral Gigantism.  Being that tall comes with its many struggles.  He has issues getting into a car and finding shoes that fit him, he only has one pair of shoes.  Despite the struggles, he has found fame with his height, appearing on TLC and being recognized all over the world.