Eating a salty meal: Decreases your blood sodium concentration. Makes you less thirsty. Causes temporary weight gain due to intake of more fluids. Has no effect on the body.
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"