Читать книгу The Pelman System of Mind and Memory Training - Lessons I to XII - Анон - Страница 30

26. The brain partakes with the rest of the body in the circulation of the blood, and if the circulation is sluggish, the action of the brain also tends to become sluggish. It is partly because the circulation is improved by the exercise of the day that mental work is often accomplished more readily in the evening, though another cause for this lies in the number of brain cells stirred into activity by the events and thoughts of the day. In fever the brain is often more active by reason of the increased circulation of the blood, though sometimes the opposite effect is observable, owing to the presence of toxins. If after a period of sedentary mental work, you find yourself becoming inaccurate and your ideas flowing less freely, take a brisk walk for five minutes, or, if you have no heart weakness, run up and down stairs once or twice. This will frequently effect a noticeable improvement in thought.

You must not expect to obtain the highest quality of mental efficiency or the perfection of memory if you persistently ignore your bodily health. When you feel that your health is not what it should be, consult a properly qualified and registered medical practitioner. Do not attempt to dose yourself with patent medicines or advertised nostrums, and avoid the “quack” as you would the plague. It may be that the regular taking of a tonic for a week or so will brighten your whole outlook and vastly improve your mental alertness, but the tonic which may suit your friend may be extremely injurious to yourself. Only your doctor can prescribe for your own constitution.