Inclusion Criteria:  being a health professional at the HU-UFPI (higher and technical levels); both sexes; Age between 20 and 59 years old.  Exclusion Criteria:  Participants with communication disabilities (outbound or inbound); Type 1 and 2 diabetes low Body Mass Index (BMI; below 18.5), intracranial metal clip and/or prostheses; Abrupt change in weight (> 5 kg) in the last six months; the use will be excluded recreational use of psychoactive drugs, Being a smoker or using nicotine (tablet / absorbent), Having had significant recent trauma or traumatic brain injury, Present history of epilepsy, to be pregnant or under suspicion Missing teeth; Medical diagnosis of eating disorder or any psychiatric disorder, Having or having had cancer, Diagnosis of heart disease.