Nic Sheff was a bright and capable teenager before he became addicted to meth. In a new book, Beautiful Boy: A Father's Journey Through His Son's Meth Addiction, his father David Sheff writes about the painful process of his son’s recovery and how Nic’s struggles with meth affected their family. Nic Sheff has also written a book about his addiction called Tweak: Growing Up on Methamphetamines.

Weigh in: Have you, or has anyone in your family, struggled with meth addiction? How did it affect your family?