When an individual is exposed to low amounts of a nerve agent (as a gas or aerosol) the initial symptoms are a runny nose, contraction of the pupils, deterioration of visual accommodation, headache, slurred speech, nausea, hallucinations, pronounced chest
Unfortunately, this does include food that is stolen or spoils and is thrown away either by the grocer or consumer. Measured this way, the average American eats about 3,600 calories per person per day and has not changed much from 1909 when it was 3,500 calories per person per day.
According to the Dietary Guidelines for Americans 2010, the average sedentary woman needs 1,600 to 2,000 calories each day, while the average sedentary man requires 2,000 to 2,600 calories per day to maintain a healthy body weight.