Yes, but it usually isn't much, maybe 2 pounds at the maximum, gaining weight comes with an abundance of those days over time.
Anorexia is defined by Restricting food intake Fear of food or gaining weight Underweight (by BMI) it can include binging and purging behaviors as well
You can die from eating specific foods or non-foods. You could possibly die, eventually, from overeating. Gaining weight increases the mass of body tissues that must be supported by the limited capacity of your organs.
Some wrestlers, for example, eat certain weight gaining bars to go up in weight class.
If she hasn't been spayed and got outside while in season, yes she could be. If she's spayed, she might just be overeating. Consult your vet if she seems to be gaining weight.
The most suitable way of gaining weight is to eat more frequently.
Most athletes are in the business of gaining weight. But with weight gaining foods is not about how much you but is more about what you eat. The most popular foods is Whey Protein and dairy products.
No that is impossible. You cannot gain muscle mass without ever gaining weight.
It is the fear of gaining weight
gaining weight
Its the fear of gaining weight
If you're overeating you will gain weight regardless of when you eat. And if you have a balanced diet you can eat pretty much at any time w/o gaining weight. There is a small change in metabolic rate between night and day, but the slightly higher rate during day isn't going to help you if you're not within your calorie budget.