She's earned her title as the World's Most Beautiful Woman with the help of her strict diet, and now Gwyneth Paltrow reveals the reason for the healthy meals in the debut issue of Beach magazine.

While soaking up some sunshine in the ocean-themed spread, the "Iron Man" beauty discussed her diet change after discovering her father's illness.

Check out a few highlights from Miss Paltrow's interview below. For more be sure to visit Beach magazine!

On trying to help her father eat the right foods:
"I began to consider the effects of food when my father was diagnosed with throat cancer in 1998. I started to research anti-cancer diets in hopes that he would try to hit it from all angles."

On the choosing what goes in her body:
"It's about being mindful about you are putting in. Good whole foods are the way we have eaten for generations. It's amazing how good you feel when you just cut out the processed stuff."