Sam Westreich, PhD – Medium

Pinned

Published in
Sharing Science

What is a Gut Microbiome, and Why Is It So Complex?

The potential, and the over-promising, of our newest organ

Jan 25, 2024

What is a Gut Microbiome, and Why Is It So Complex?

Jan 25, 2024

Pinned

The Most Interesting Biology Questions, Answered

Dr. Sam Westreich writes about biotech, Silicon Valley, and answers fascinating questions about science.

Sep 23, 2021

The Most Interesting Biology Questions, Answered

Sep 23, 2021

Published in
Sharing Science

Snake Oil Was Once a Real Medicine, That Actually Worked

A fascinating history that indirectly led to the creation of the U.S. FDA.

1d ago

Snake Oil Was Once a Real Medicine, That Actually Worked

1d ago

Published in
STEM Parenting

Children Won’t Inherit Trauma: Why to Not Fear Epigenetics

How well-meaning people twist this term to make parents feel guilty

3d ago

Children Won’t Inherit Trauma: Why to Not Fear Epigenetics

3d ago

Published in
Sharing Science

The Top Reddit Science Stories of This Week, Summarized

The most popular science articles of April 12–18, 2025.

Apr 18

The Top Reddit Science Stories of This Week, Summarized

Apr 18

Published in
Wise & Well

Pets May Not Provide a Mental Benefit, According to Science

Science, ruining everything we love. Let’s sniff past the headline.

Apr 18

Pets May Not Provide a Mental Benefit, According to Science

Apr 18

Published in
Predict

Did Colossal Biosciences Really Make a Dire Wolf?

Does changing 20 genes bridge the gap of two million years of divergence?

Apr 15

Did Colossal Biosciences Really Make a Dire Wolf?

Apr 15

Published in
Sharing Science

The Top Reddit Science Stories of This Week, Summarized

The most popular science articles of April 5–11, 2025.

Apr 11

The Top Reddit Science Stories of This Week, Summarized

Apr 11

Published in
Wise & Well

Formaldehyde Causes Cancer. So Why Is It Still Everywhere?

It’s in your home and hair salon. A Trump EPA official lobbied for fewer regulations.

Apr 10

Formaldehyde Causes Cancer. So Why Is It Still Everywhere?

Apr 10

Published in
Predict

Fluoride Has An Estimated 3,800% Return on Investment

It makes economic sense — and there’s a clear reason why Republicans are against it.

Apr 8

Fluoride Has An Estimated 3,800% Return on Investment

Apr 8

Sam Westreich, PhD

Sam Westreich, PhD

Friend of Medium

PhD in genetics, bioinformatician, scientist at a Silicon Valley startup. Microbiome is the secret of biology that we’ve overlooked.

Following

Help
Status
About
Careers
Press
Blog
Privacy
Rules
Terms
Text to speech