Im 5'6 and 112lbs? i have to make this 20 charactersss?

i recently gained a couple lbs and i want to loose weight. any tips. advice? i only drink water and 100% apple juice and occsionally diet lemonaid. no soda at all . i try to stay away from those debbie cakes my mom buys a lot but i have a weekness for cookies and chips. we never have any good healthy food in my house. tips?