Could eating real food have negative effects?

QUESTION
Can you gain weight eating only real food and would real food have negative affects then on your body if you do gain weight ?

ANSWER

Yes, you can gain weight eating real food. If you are eating foods inflammatory to YOU, or you are snacking mindlessly while driving or watching TV for example. Also eating foods that are designed to bypass satiety such as salted roasted nuts, can lead to overconsumption.