Alanna Collen

Alanna Collen

Alanna Collen has written at least 3 books. Their most popular book is 10% Human: How Your Body's Microbes Hold the Key to Health and Happiness with 8 saves with an average rating of 4.5⭐.

10% Human: How Your Body's Microbes Hold the Key to Health and Happiness

2015 • 8 Readers • 316 pages • 4.5

10% Human

10% Human
ByAlanna Collen

2015 • 5 Readers • 327 pages • 4

10% Human: How Your Body’s Microbes Hold the Key to Health and Happiness

2015 • 336 pages