Explain why the myth that eating late at night causes weight gain is so popular and the steps a person can take to eat responsibly late at night.

The myth that eating late at night causes weight gain is so popular because in the 1900's people were totally into staying thin, even more so then than now! So somebody made up this myth to help people stop eating late at night.

Making a stable time schedule for meals and eating healthy are both good steps to eating late at night.
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True. the more you know, the better of you will be.