General debility and defective nutrition : their causes, consequences, and treatment / by Alfred Smee.

  • Smee, Alfred, 1818-1877.
Date:
1862
Catalogue details

Licence: Public Domain Mark

Credit: General debility and defective nutrition : their causes, consequences, and treatment / by Alfred Smee. Source: Wellcome Collection.

    49/140 (page 33)
    has so much effect as, a priori, we may have imagined. The importance^ however, of the action of the sun upon the human economy can hardly be overrated. 5S. Of tliese external influences, temperature, light, the purity, and perhaps the presence or ab- sence of ozone, and the dampness or dryness of the atmosphere, are most important; and it is not too much to say, that by a proper regulation of dark- ness, dampness, cold, and vitiated atmosphere, any animal may be so affected with debility, that death will ultimately ensue. 59. The importance of rest and sleep for due nutrition, may lead us to infer that any irregularities on this head may lead to debility. Deprivation of rest acts seriously in preventing the body from being duly nourished; and when debility exists, we must carefully learn the history of our patient, to ascertain whether there is sufficient sleep and rest to allow the exhausted parts of the frame to be duly replenished. Sometimes, contrariwise, an excess of sleep and indolence causes debihty; and as a rule, what is not necessary for man's benefit is taken to his detriment. 60, Debility arising from causes depending upon irregularities of the work performed, require great care in their estimate. Muscular exertion may be carried on to absolute exhaustion, so that the party D