Very hard, much harder than we knew before. But very satisfying at the end. Only you can decide…or your college program will pretty much decide for you. Very low percentage survive in college being on the pre-med track. But college is not anywhere near the academic level and other challenges at Med. School. And again, residency is much harder than Med. School. Challenges are in all aspects of human life, emotional, intellectual, physical, social, be ready to work much harder than you can possibly imagine now.