As a skinny person, you might be struggling to gain weight. You might have tried lots of things in order to gain weight. But, you are still in the same position and might be depressed. 

News Alert- Just kidding, and want to tell you that you can still gain weight. All you have to do is to track your calories and follow your diet religiously and consistently. 

Ok, if you are a vegan, it becomes far more difficult for you to gain weight. Because vegan diet is known to be carbs friendly.