that has been badly neglected throughout the centuries.

It has been determined that the entire human body consists of a certain
number of chemical elements, appearing in different aggregations in
different parts. These aggregations repeating themselves in the various
organs.

Twelve principal aggregations of chemical elements have been established
and designated by the term _tissues_.

This fact led to the discovery of the truth that in the process of
healing attention must be given, not to the various organs, but to the
various tissues.

These tissues are dependent directly upon the condition and contents of
the blood, whose office it is to nourish them and which exhibits the
wonderful property of conveying to each tissue its selective
regenerative materials, _provided of course, that these elements are
present at the time in the blood_.

Sixteen definite elements have been established--and a seventeenth will
probably soon be added thereto--which, in their various combinations and
aggregations, form the different tissues of which the organs in the
human body are composed.

The prevalence of one or several of these elements in a certain tissue
forms the main or governing feature of that tissue. Thus, the prevalence
of potassium phosphate characterizes muscle tissue, the prevalence of
ammonium phosphate (lecithin) nerve tissue. Each one of the various
tissues consists of certain of these elements, and each tissue at every