Write a letter to your brother describing about harmful effect of junk food

Dear bro,
Junk food is not good for you. It doesn't have the vitamins you need and isn't healthy, either. Vegetables are a much better option because they give you vitamins and nutrition. Junk food can give you high cholesterol, giving you health problems later on in life. Forget about all that junk and eat something healthy! It'll make your family and friends happy, and you too!

From,
Yo sibling

Because writing on paper is said to engrave what your writing down into your brain therefore writing your thoughts is better than speaking them.