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

The New York Times — Meatless Mondays Catch On, Even With Carnivores

It’s just another meatless Monday…

Dr. John Mandrola — Wellness Requires More Ownership

One physician’s view on a controversial issue, and what the healthcare system can do about it.

FITNESS Magazine — Work Out With Harry Potter

A “novel” idea for a workout (even for muggles).

MSNBC — Regular Workouts Ward Off The Common Cold

Keep the feet running, not the nose.

Science Daily — Why We Choose Comfort Foods

This “hunger hormone” may be the reason sweets have us giggling like school kids.