Question: what are the dangers of intermittent fasting?
Answer: Orthorexia. Intermittent fasting could lead to disordered eating behaviors, such as orthorexia, which is defined as an obsession with proper or “healthy” eating. ... 
Disrupted sleep. ... 
Decreased alertness. ... 
Increased guilt. ... 
Increased cortisol levels. ... 
Higher LDL levels. ... 
Pancreatic damage.