Rickets being such a common disease to which
young children of many countries are prono, and the
variety of tissues it affects, make it a subject of
great importance and interest.
The causation of the condition, even at the
present time, is still a problem that is not apparently
clearly solved, as so many authorities on the
subject hold widely different opinions.
Recent experiments seem to show that lack of
sufficient exercise is an important factor in experimental
rickets in animals. And this is of great
interest in view of the generally accepted doctrine
that rickets is duo to dietetic and hygienic errors
