""Of Long Life"" is a book written by Elias Ashmole, a prominent English antiquary and alchemist, in the 17th century. The book is a treatise on the subject of longevity and the means by which one can achieve a long and healthy life. Ashmole begins by discussing the importance of a healthy diet and exercise, as well as the benefits of fresh air and sunshine. He also delves into the use of medicinal herbs and plants, as well as the importance of sleep...