Many people are concerned about their health, but at times are unaware how to cope with it. With this perspective in mind, the author who has considerable experience of more than 30 years as Emergency Physician has selected 40 ailments which are common and one is definitely likely to be affected. when the number 40 strikes in mind all voracious readers be it young or old think of Ali Baba and the 40 thieves and now we have 40 Health Thieves. Hence the above title. This has been made in an interesting way so that anyone be it a young school goer up to a pensioner can benefit from it with sketches drawn by the author himself. Identifying, treating and prevention are the utmost important factors of any ailment and these have been emphasised. Read on for one will definitely benefit even if they casual glance at it for their are thoughts, humour and above all learning information.