Recent studies have offered an abundance of evidence which indicates that night blindness is caused by vitamin A deficiency. Both adults and children have been used to investigate the relationship between vitamin A deficiency and night blindness.

The children in this study were tested in their normal environment and without any effort to change this environment. It was felt that only through such an experiment could any evidence be gained regarding the influence of climatic conditions on the dark adaption of adolescents.

The general food supply is usually the source of vitamin C for many people, and since squash is a common food in the popular diets of Texans and is so generally grown over the state, this study has a two-fold purpose: (1) to ascertain the amount of vitamin C in the two varieties of squash most commonly used as food in Texas, and (2) to determine the effect of various methods of cooking upon the vitamin C content of these two varieties of squash.

The purpose of this study was to obtain a better understanding of housing conditions of the 108 occupied rural homes in the school district known as Wellman Consolidated Independent School District, which is located in Terry County in West Texas.