‘Do XL ao S’ is the title of the book that has just been published by Contraponto Editores and is authored by Joana Menezes Nunes, an endocrinologist at Hospitals da Luz Arrábida, Guimarães and Vila Real. It is a practical guide with advice for those who want to lose weight with health, «capable of helping the reader to completely transform their diet and their health, based on medical knowledge and scientifically proven information» , reads in book presentation. The endocrinologist, who has been dedicated, in her clinical activity, above all to the treatment of obesity, diabetes and dyslipidemia, says that she decided to write down the answers to the many doubts and questions raised by patients who accompany her consultations. That is why, in this book, it explains, for example, how to create a caloric deficit to lose weight in a healthy and lasting way, the importance of water, rest and sleep in the weight loss process, how to stay focused and avoid temptations and how food can help with some health problems, among many other issues. ‘Do XL ao S’ is on sale from July 22nd at Fnac, Bertrand and Wook bookstores. And the first presentation, which has the presence of the author, will take place at Lapa Lapa, in Oporto, on July 29, at 6 pm.