(CNN) -- Kyle Nolan did his research -- his mother made sure of that. She didn't want her 18-year-old son heading to the Amazon jungle at all -- let alone, without learning everything he could about the supposed "medicine" with the bizarre name that he insisted would help him turn his young life around. "I really tried to discourage him ... I kept telling him over and over, there are no easy answers in life," Ingeborg Oswald said. But she knew she couldn't stop him. Overshadowed by his "overachieving" triplet brother and sister, Oswald said Kyle "was going through this...