RT Journal T1 Studies in nutrition: An investigation of the influence of saltpeter on the nutrition and health of man with reference to its occurrence in cured meats. JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1929 FD September 7 VO 93 IS 10 SP 794 OP 794 DO 10.1001/jama.1929.02710100056047 UL http://dx.doi.org/10.1001/jama.1929.02710100056047 AB In this investigation, attention has been devoted principally to the effects of potassium nitrate on the functions of the stomach by examination of the gastric juice and the rate of motility and absorption; the qualitative examination of the feces and urine; the bacterial examination of the feces, and studies of the blood and blood pressure and the action of potassium nitrate on bacteria and enzymes. The authors are exceedingly cautious in drawing conclusions in this controversial field and are plainly aware that their position is open to attack and refutation. Nevertheless definite effects of potassium nitrate on certain functions are indicated.