Note 5 — COOK’S ORACLE:
Reading edition
“The Studious, the Contemplative, the Valetudinary, and those of weak nerves—if they aim at Health and Long Life, must make Exercise in a good air, a part of their Religion.”—Cheyne on Long Life, p. 98.
“Whenever circumstances would permit, I have recommended patients to take as much exercise as they could, short of producing fatigue; to live much in the open air; and, if possible, not to suffer their minds to be agitated by anxiety or fatigued by exertion.”—p. 90.
“I do not allow the state of the weather to be urged as an objection to the prosecution of measures so essential to Health, since it is in the power of every one to protect themselves from cold by clothing, and the exercise may be taken in a chamber with the windows thrown open, by actively walking backwards and forwards, as sailors do on ship-board.”—p. 93. See Abernethy’s Surgical Observations. 1817.