Greatist kept it under 140 characters with our list of the 60 health and fitness leaders to follow on Twitter this year. And we released an epic list of the saddest, scariest, and most inspiring Olympic moments ever. Feeling inspired? Get started with our ultimate guide to running a half-marathon. — Shana Lebowitz

Health

60 Must-Follow Health and Fitness Twitter Accounts for 2012

Greatist scoured Twitter to find the best health and fitness accounts to follow this year. Did your favorites make the list?

Recipe: Spicy Roasted Chickpeas

GUEST POST: Lisa Cain, aka Snack Girl, shares a perfect recipe for well… snack time! These spicy roasted chickpeas are easy to make and can be brought along anywhere. Plus, they require just four ingredients!

Why Do Mosquitos Bite “Tasty” Humans?

A warm winter has raised fears that mosquitoes will be out in record numbers this summer. What makes some people “tastier” for mosquitoes and how can you avoid getting bitten?

I Scream! What Is Brain Freeze?

Screaming for ice cream, or because of the ice cream headache? Brain freeze is a painful but harmless sensation in the front or sides of the head after the rapid ingestion of cold foods or drinks.

Dangerfood: Bran Muffins

Want to beat the muffin top? Stay away from bran muffins. These seemingly healthy carbohydrates can pack in hundreds of calories per serving.

Links We Love: How to Eat Well No Matter Where You Are (and More)

Ready for some weekend link-love? From spectacular summer hikes around the country to how a surprising mineral may be affecting our workouts, we’ve found our favorite links from around the web.

Celebrating Celiac Awareness Month

This month around the world, people have been celebrating what it means to be happy, healthy, and gluten-free for Celiac Awareness Month. Here’s what three Greatists have to say about their experiences with celiac disease.

Fitness

The 25 Most Inspiring Olympic Moments of All Time

As world-class athletes head to London for the 2012 Summer Olympics, what better time to celebrate the most awe-inspiring moments seen on the world stage? Here are Greatist’s picks.

5 Tips for a Stress-Free Marathon

GUEST POST: Marathons are hard, but how you prepare the day-of is just as important as the run itself. Here are 5 ways to make sure you perform your best from running coach Jason Fitzgerald.

I Want to… Run a Half-Marathon

Finished some 5K’s and looking for a new challenge? Read on for a foolproof plan to tackle the 13.1-mile distance and have fun doing it. Half-marathon, here we come!

Happiness

How Much Alone Time Do You Really Need?

Me, myself, and I can sometimes be the perfect company when we’re feeling overwhelmed or just want to get stuff done. But sometimes that privacy can turn into loneliness, stress, and depression.

Review: Will Brain Trainer iPhone App Make You Smarter?

Greatist puts a new brain-training app to the test. Find out if games that improve memory and concentration are really the route to genius status

Quote of the Day: E.B. White Can’t Plan His Day

E.B. White wrote classics such as “Charlotte’s Web” and co-wrote “The Elements of Style,” yet the American writer had trouble planning his days because of earthly joys. Take a page from his book with this quote.