Doctors there felt that a retreat from the dust and grime of the city would help their patients, and today over fifty sanitariums are located deep in the forests of Germany.
德人認為森林遠離塵囂、空氣新鮮潔淨，有助於病人的療養，於是將療養地設於森林；沒想到頗具成效，於是陸續成立據點，目前已有五十餘處。