The level of serotonin in the brain is a decreased by a diet high in calories. b decreased by a diet high in salt. c increased by a diet high in protein. d increased by a diet high in carbohydrates. e decreased by a diet high in sugar.
The answer is C. protein is an essential nutrient you body depends on for energy to expend on a daily basis. protein helps fuel muscles for movement, the peripheral nervous system (fight or flight) and brain function...