An easy way to prolong life, by a little attention to our manner of living. [electronic resource] : Containing many salutary observations, on exercise, rest, sleep, evacuations, &c. Together with an enquiry into the following points. Why some, who are very hungry and have good appetites, eat little, while others, having little appetites, eat much? Whence is it, that the accustomed hour of eating being passed, we often lose our appetite? Whether the losing of blood in the spring, be necessary for the preservation of health? Whether the occasional use of cordials; be prejudicial to the constitution? And some remarks on drunkenness, smoking, and on the utility of taking physic in the spring. The second part. By a medical gentlemam, author of the first part. The second edition improved