This week, Sandy whirled in with a vengeance, affected millions of people, and knocked out the power at Greatist HQ. Halloween carried on (check out our oral health info after all that sugar). Many of us relocated to friends’ apartments for internet access to continue to bring you the best in health, fitness, and happiness. Thankfully, we have all sorts of snack recipes (88 of them under 100 calories!) for those still cooped up at home. All the best to everyone affected by the hurricane.

Health

Medicinal Munchies: Medical Marijuana Fully Explained On Election Day, voters across the country will decide whether to legalize medical marijuana. But we’re not talking just munchies and Pink Floyd — weed can be a legitimate treatment for medical ailments ranging from nausea to chronic pain.

30 Healthy Snacks to Celebrate Fall Need more ways to fit fall flavors into your daily diet? Here are 30 snacks that will do just that (without breaking the calorie bank).

The Ultimate Guide to Oral Health [Infographic] Good oral health goes far beyond brushing. Here’s everything you need to know to keep your mouth clean, healthy, and pearly white.

How to Stay Healthy and Safe in a Hurricane Howdy, Hurricane Sandy! We’re ready for you. Greatist rounds up the best tips for staying safe, full, and healthy during a hurricane — or any inclement weather!

#imagreatist Healthier Choices! This week, the #imagreatist community was making better choices left and right: from signing up for Tough Mudders and 5K’s, to morning meditation and hot yoga!

88 Unexpected Snacks Under 100 Calories When the next “snack-attack” occurs, use these satisfying snacks suggestions that won’t ruin appetite or healthy habits!

The 20 “Healthiest” Halloween Costumes Still struggling to choose a costume for today’s main event? Whether you’re desperate for inspiration or just like to plan ahead, Greatist’s rounded up 20 of the healthiest Halloween costumes out there.

20 Better Halloween Candy ChoicesLet’s be honest — Halloween is all about the candy. But there’s no need to shy away from some seasonal favorites. We’ve picked the healthiest options when it comes to a bit of indulgence.

13 Healthy Halloween Recipes from Around the Web Want to stay healthy this Halloween? Ditch the packaged junk and try some of these sweet ‘n’ spooky DIY snacks.

Maurice Sendak Quote: Kids Aren’t Made of Candy Maurice Sendak (“Where the Wild Things Are,” “In the Night Kitchen”) was always a bit of a grump, but he always had faith that kids knew something the adults didn’t.

Recipe: Stuffed Grape Leaves Try this classic mediterranean finger food for a unique appetizer, snack, or side dish.

Recipe: Baked Apples Warm up with these hearty oat-filled baked apples on any cold fall day!

Fitness

10 Best Mobile Apps to Run Faster and Smarter Think you need a fancy watch to get the most out of your miles? Think again. Use your smartphone to hit the pavement and get the most out of your runs.

11 iPhone Apps to Strength Train and Lift SmarterWhether you’re at a strength training plateau or just want to get started with a little digital boost, these 11 iPhone apps will help anyone work out, eat, rest, and track their progress like a pro.

20 Super-Effective Stability Ball Exercises Looking for ways to ramp up your gym routine? Use a stability ball to improve strength and balance for the lower body, upper body, and core.

Research Review: Tabata Revisited and the Reality of Core TrainingGUEST POST: Chris Beardsley of Strength and Conditioning Research brings us the latest in exercise science, including a new look at Tabata training and whether core-specific exercises really benefit athletes.

Stunning Japanese Juggler Wins Competition Without “Juggling” Maybe juggling reminds you of a horrifying clown with a big, red nose. Watch this (non-clown) guy toss balls around like it’s nobody’s business.

Happiness

Lift Review: Tech to Help You Set Good Habits We go hands-on with the app to break bad habits and set new, good ones. Read on for the details of our one-week trial.

News: How Getting Rejected Fuels Creativity You’re beautiful, no matter what they say — and far from bringing you down, new studies find rejection might actually stimulate creativity. Take that, high school bullies!

The Best (and Worst) Positions for SleepingBack, side or stomach? For those looking to take advantage of those seven-to-nine hours of sleep, it turns out different sleeping positions can provide specific health benefits and drawbacks.

Learning to Love Silence: Life-Changing Meditation GUEST POST: Rachel Stroud shares how meditation left her speechless at a silent meditation retreat and helped her face personal challenges.