Does eating outside contribute much to weight gain?
This depends on what you are actually eating outside. Majority of the kind of food people eat outside are unhealthy foods. Mostly junks full of oils, unhealthy fats and sugars. 90% of the time, you aren’t sure of what ingredients goes into the meals.
However, when you make your own meals, you are sure of using the healthiest ingredients. You make the right choices. Having said this, if you can make these same choices while you eat out, you’ll have less to worry about in terms of weight gain and health.