The Invalid: With The Obvious Means Of Enjoying Health And Long Life is a book written by Richard Graves and published in 1804. The book is a guide to achieving and maintaining good health, and is aimed at those who are sickly or have chronic health conditions. It covers a range of topics, including diet, exercise, sleep, and mental health, and provides practical advice on how to improve one's overall wellbeing. The book also includes anecdotes and...