Don't forget water. Stay hydrated.
People try and take advantage of health concerns, but the keys to good health are simple and often free.
"The study of history is the best medicine for a sick mind; for in history you have a record of the infinite variety of human experience plainly set out for all to see: and in that record you can find for yourself and your country both examples and warnings: fine things to take as models, base things, rotten through and through, to avoid." - Livy