As your relatable fitness, health, and happiness guide, we at Greatist strive to bring our readers amazing content on a daily basis. Of course, not all of the best stuff comes from us! In this week’s link roundup, we highlight our favorite can’t-miss videos, articles, and opinions from the interwebz:

The Friendly Benefits of Exercising with Others — Dr. John M

The Scary Stats and History of Cigarette Smoking — GOOD

Get it While You Can: Why There’s a Shortage of Organic Milk — The New York Times

A Stunning Timelapse Video of Southwestern Landscapes — Dustin Farrell

Read this Personal Manifesto, then Create Your Own — Creating Clever

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