Please choose the correct ending to complete the given sentence: Health: [header] How to recognize pica [title] Watch eating patterns. [step] A person with pica usually maintains a regular diet of food along with eating non-food items. Pica is present when a person eats non-food items consistently for at least a month.

Ending1: If you suspect that you or another person has pica, keep a mental note or journal of eating habits. This can help identify patterns in consumption that may indicate pica. Ending2: You may see signs of increased hunger and a lingering desire to eat. [substeps] These can include: cravings of food every day at the table. Ending3: [substeps] This is because pica affects the body's " melatonin balance. " the melatonin levels in an individual's body increase slightly so that they are more likely to over-eat, even if the person is eating a healthy meal. Ending4: [substeps] A person who has pica may find that she has an empty stomach if she doesn't eat half of her food at the same time every day. During this time, the pica proteins in a food gradually wear down and the portion sizes decrease.

Answer format: ending1/ending2/ending3/ending4