Answer: Moral hazards
Explanation:
Moral hazards refers to the situation where people take risk by maximising the inefficent decisions the outcomes may result in negative results which can adversly affect their health.
Causes temporary weight gain due to intake of more fluids. When you eat salts, they absorb more water in the body, making one look/feel more "full", which can cause a temporary gain in weight when stepping on a scale. For clarification, the weight temporarily gained if referred to as "water weight"