Actress Cameron Diaz is writing her first book about the importance of nutrition and how to stay healthy for young girls. The 39-year-old has taken inspiration from her friend Gwyneth Paltrow\'s weekly lifestyle journal to pen down her own book. \"Cameron has become very close to Gwyneth and it\'s been very interesting for her to see what Gwyneth is doing with Goop,\" femalefirst.co.uk quoted a source as saying. \"She\'s been inspired by Gwyneth and the way she uses her fame to influence and help people. Now Cameron wants to do the same,\" the source added.from gulfnews.com