Samantha Lee/Business Insider
- Several high-profile startups that promised to draw insights from the bacteria living in and on us, known as the microbiome, have failed in recent months.
- One of them, a $4, which was valued at $600 million, said it would $4 after $4 and setbacks.
- But investors still see the $4 for the burgeoning digital-health industry, which has raked in $37.6 billion from investors since 2011.
- Here's how the $4 they're betting on plan to succeed.
- Listen to this story below, or read it in full $4.