Stress is the biggest contributor towards this. An overstressed body can contribute toward health problems that are typically present in an older person... Hypertension, Diabetes...
Answer:
Writing in a journal or write it on a docs page on your cell phone.
Explanation:
A technique I use when I used to babysit others and some were maybe ill or hurt, I'd right all of what I did in a journel I carried around each time I babysat. Helpful? Sorry if it isnt.-E.A.
A dietician/nutritionalist, if that's one of your options :)