A lack of enough acid in the stomach can affect your ability to absorb vitamins, to prevent acid reflux (GERD), and to break down proteins that create essential hormones like your “happy hormone” serotonin, which is very important for lifting the mood and keeping us positive.
Put on the whole armour of God, that ye may be able to stand against the wiles of the devil. For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
Spiritual Wrestlings 