Which strategies best to remove barriers to maintaining a healthy lifestyle and body weight

Healthy eating and avoid bad habit is best way to remove barrier to maintain a healthy life style and body weight.  

Explanation:

At first, we follow the discipline in our life. We take food in proper time. We went on bed early and awake early. We avoid junk food. There is certain quantity of food taken in breakfast, dinner and lunch.

Not take too much not take less. We should take green vegetable and fruits.  In our daily meal we should take care about nutrients.  

the answer is c prevention of weight gain. i got the same question.