> Conclusion: It can be reasonably assumed that this subject have had protective effects from his yearly fasting.<p>No, it bloody well can’t.<p>> [before his first fast he] smoked around 10 cigarettes per day [then he] stopped smoking with no relapse after his first fast.<p>Sure, definitely the fasting, not the cutting out the literal cancer-generation sticks or anything else.
If I read that right, he wasn't actually "fasting," as defined by the complete absence of calories.<p>Instead, he regularly went on a very-low-calorie diet at this German clinic.