Prevention Practice Pearls

Evaluating GI Transit Time

By Russell M. Jaffe, MD / Contributing Writer - Vol. 11, No. 4. , 2010

Gastrointestinal transit time—the interval between consumption of food and it’s elimination as feces—is a handy indicator of digestive health. It is easy and inexpensive to measure, requiring just a handful of activated charcoal capsules.

First Morning Urine pH: A Window on Acid:Alkaline Balance

By Russell M. Jaffe, MD | Contributing Writer - Vol. 10, No. 1. , 2009

Measurement of first morning urine pH gives a good indication of the body’s mineral reserve and its acid/alkaline state. It’s inexpensive, easy to teach to patients, and gives important clinical information.