Tagged: fluoride

Acid, Aluminum, and Rain: The Soil and Monsoon Behind an Assam Cup

The valley's soil runs strongly acidic and aluminum-heavy, and the monsoon delivers nearly three-quarters of the year's rain in five months. The compound most articles credit for the malty taste has never actually been tested for it. Here is what the record can, and cannot, certify.

Assam's Fluoride Problem Is a Groundwater Story

Parts of Assam have some of India's worst groundwater fluoride contamination, and tea grows in the same soil. The peer-reviewed record on the water and the leaf tells two different stories.