Appetite center

An are of the brain called Hypothalamus controls the appetite and other body functions including the following:


 * Hunger and satiety
 * Body temperature
 * Moods and emotions
 * Sex drive
 * Sleep
 * Thirst

Neurotransmitters that affect appetite center
There are over 50 different neurotransmitters and substances that can influence the appetite center of the brain which can have a potential impact on an individuals eating habits, weight gain and risk of many health problems. It is important to understand the actions of these neurotransmitters on the appetite center of the brain.

Eating too fast and weight gain
Since it takes time for the body to recognize that you have eaten and for the feeling of hunger to go away, it is important to not eat too quickly. As a result of this delay, eating slow or taking a break from eating can help reduce hunger, satiety and prevent excess calorie intake.

Leptins and Ghrelins
Of the big list of neurotransmitters that affect our appetite and satiety, some of the most important ones are Leptins and Ghrelins.

Norepinephrine (noradrenaline). In neurons of the A2 cell group in the nucleus of the solitary tract), norepinephrine co-exists with:
 * Galanin
 * Enkephalin
 * Neuropeptide Y

GABA
 * Somatostatin (in the hippocampus)
 * Cholecystokinin
 * Neuropeptide Y (in the arcuate nucleus)

Acetylcholine
 * VIP
 * Substance P

Dopamine
 * Cholecystokinin
 * Neurotensin

Epinephrine (adrenaline)
 * Neuropeptide Y
 * Neurotensin

Serotonin (5-HT)
 * Substance P
 * TRH
 * Enkephalin