There are many causes behind weight gain.
The most common one is water logging. We need to look at the reason and its effects. Body holds water when inflamed. So most "itis" can cause this. Its like the blisters that pop up when we burn our fingers! In brief:
Fluid gain results in weight. So, the remedies:
Portion control doesn't help in long run.
Weight loss diet never worked!
What's the best approach?
Yes, as you think, its about working with your inflammation.
The result? Better overall wellness, fitness and happiness.