Human Organs: Digestive Enzymes, Bacteria & Functions

Digestive organs secrete essential enzymes like amylase and protease to process food. Understand the roles of the skeleton and the impact of bacteria on organs.

What Foods Are Sources of Hydrogen?

Published Aug,14 2017 | By Jeffrey Traister

Hydrogen is vital for life, the third most common element in the human body and a component of water, DNA and most other organic molecules. Macronutrients, such as carbohydrates, proteins and fats, contain hydrogen as part of the chemical structure, and water contains hydrogen as well.

Jeffrey Traister is a writer and filmmaker. For more than 25 years, he has covered nutrition and medicine for health-care companies and publishers, also producing digital video for websites, DVDs and commercials. Trained in digital filmmaking at The New School, Traister also holds a Master of Science in human nutrition and medicine from the Columbia University College of Physicians and Surgeons.