A chemical imbalance generally refers to faulty production of those brain chemical messengers. Many mental illnesses have their roots in chemical imbalances. Depression is an example of an illness due to a defective supply of those messenger chemicals. Mankind has finally arrived at an enlightened era where illnesses such as depression are not considered character flaws or weaknesses. They are chemical imbalances.
Medicines can restore the brain s chemistry.
As a bachelor, I don t have time to prepare meals. Vegetables and fruits are not a regular staple for me. If I buy them, they become rotten before I have gotten around to eating them. It probably is possible to obtain all the recommended daily doses of vitamins and minerals through pills. However, you would be missing out on some important dietary constituents.