Sure, but it would be largely unmeasurable until you re-entered a gravity well. Eat more calories than you burn in any environment and you will gain mass.
A female river otter would eat food to gain weight
The weight gain from food is not determined by the weight of the food, but by the number of calories in food. 3500 calories of food are equal to about one pound of weight (of the person, not the food).
I'm not sure why you think figs would make you gain more weight than ordinary food. to gain weight you need to eat more calories than you spend. You can not gain weight just on figs.
To gain weight you have to eat more.
To gain weight you child has to eat good food.
The reason why they gain weight over time is because of the food(s) they eat.
Eating too much fatty and unhealthy food and Not doing any exercise can cause humans to put on weight. Thyroid problems can cause you to put on weight. From when you are born until you stop growing it is normal for you to put on weight at a steady pace. (additional answer) Prior to civilization, when people lived as hunter-gatherers, it was common that people would experience periodic changes in the abundance of food; sometimes they would have lots of food available, and sometimes very little if any. So when there was lots of food available, people would eat a lot and gain weight; this extra weight would then act as a stored food reserve for times when there was very little food available. In a temperate climate, people might gain weight every summer and then lose weight every winter. Now, with food readily available all the time, this adaptation does not serve people as well as it used to. People gain weight and then they gain more weight, and they don't lose it.
There are two different routes to gain weight - healthy and unhealthy. The healthy approach to weight gain would be to eat natural foods high in protein, carbohydrates and fat. The unhealthy way to gain weight, would be to eat lots of convenient and/or processed foods.
food causes you to gain weight shuger,chocolate,anything sweet makes you gain weight to tell you the truth.
by eating food
Junk food
Not really. Of course eating food will make you gain some weight, especially when the food is still inside of you. As long as the weight gain is not consistant or significant (as in, exercsie to kepp a constant and steady weight), then it is fine.