HEALTH

Some situations require sterilization, while sanitizing works fine in others.

Sanitize vs. Disinfect vs. Sterilize: What‘s the Difference?

Learn the key differences between sanitizing, disinfecting, and sterilizing to properly clean your home and protect your health.

Might want to change into a clean pair, though.

Is Sleeping With Your Socks on Actually a Good Thing?

You might think it’s gross, but some sleep experts swear that the key to a better night’s rest is sleeping with your socks on.

Feeling like garbage? That’s your immune system at work.

12 Fantastic Facts About the Immune System

Without our immune system, we wouldn't last very long: this complex network of organs and cells fights off pathogens and helps maintain our health.

7 Need-to-Know Facts About Norovirus

The super-contagious gastrointestinal virus is causing outbreaks across the U.S. Here's how to protect yourself (and everyone around you) from norovirus.

The DOG 6 will make you worry less about your dog‘s wellbeing.

New Dog Tracker Monitors Your Pet’s Location as Well as Their Barks

Tractive‘s GPS tracker offers real-time tracking, health monitoring, and safety features for dog owners.

Your lungs expel carbon dioxide, nitrogen, and water vapor every time you exhale.

11 Facts About the Lungs

Taking in oxygen to power your whole body is just one part of your lung function. Altogether, your lungs are a highly efficient machine—and they do a lot more than you might think.

The 15 Best (and Worst) Cities for Sticking to New Year’s Resolutions

Where you live may affect how well you can maintain your goals.

They don't have an unlimited shelf life.

Is It Time To Replace Your Water Bottle? Here’s How To Tell

When is it time to bid farewell to your trusty water bottle? Here's what to look for, plus why it’s such a big problem in the first place.

The 5500-year-old trepanned skull of a woman now displayed in a Swiss museum.

A Brief History of Trepanation, One of the World’s Oldest Surgeries

The practice of drilling or scraping a hole into the skull’s cranial vault has been performed for thousands of years.

Here’s What To Pack In Your Go-Bag in Case of an Emergency

Get tips for what to pack in a go-bag, including the essentials you should definitely have stashed away before a natural disaster strikes.

It‘s a lot easier to stay active in these U.S. cities.

The 10 Best U.S. Cities for Active Lifestyles

From Honolulu‘s crystal clear water to New York‘s busy streets, these places are the ultimate playgrounds for fitness lovers.

Roman coins from the Hoxne hoard, buried in the 5th century in Hoxne, Suffolk, UK.

Lead Pollution May Have Lowered IQs in Ancient Rome, Study Finds

The mass production of silver coins in the Roman Empire had an unintended effect: spewing so much lead into the atmosphere that it may have lowered citizens’ IQs.

If you’re looking for a sign to quit social media, here it is.

You Can Earn $3000 By Quitting Social Media for 30 Days

Are you sick of social media? You can get paid to walk away from it for 30 days.

MRSA bacteria bound to a neutrophil, a type of infection-fighting white blood cell.

What Is Antibiotic Resistance?

Public health officials are concerned that we could move back into a situation like that of the early 20th century, before antibiotics were discovered.

Thank your butt for your ability to stand up straight.

6 Quick Facts About Your Butt

You can thank your butt for a number of physical actions you take every day: moving your hip and thigh during walking or running, rising from a sitting position, climbing, and even just standing upright.

Here‘s how to keep your canine clean and happy.

How Often Do You Need to Bathe Your Dog?

The answer varies based on your pet‘s coat, activity, and skin type.

Why Do Humans Have Toenails?

Discover more about the origins of toenails—plus the real reasons why your toenails may be getting thicker and changing colors.

A tugboat on the Thames near Tower Bridge in heavy smog, 1952.

The Great Smog Descended on London More Than 70 Years Ago—And its Cause Took Almost As Long to Discover

Heavy fogs have long been a part of life in London. But the darkness that enveloped the city on December 5, 1952 wasn’t your typical pea-souper.

13 Enlightening Facts About Body Fat

Body fat is not just something to get rid of. It plays important roles in the human body, from regulating metabolism to storing energy.

Volunteering may help you to feel more fulfilled (and shelter pups will appreciate your efforts, too).

10 Scientifically Proven Ways to Stick to Your New Year’s Resolutions

New Year’s resolutions have a habit of being broken more than any other goals. This year, arm yourself with the best methods for making your resolutions a reality.

This Caesar salad will make a great appetizer to any meal.

Cozy Up With This Hearty Winter Caesar Salad Recipe

Try this winter version of a Caesar salad featuring roasted Brussels sprouts, sweet potatoes, and a rich homemade dressing.

This Handy Chart Tells You When It’s Too Cold to Walk Your Dog

Dogs have built-in fur coats, but that doesn’t mean they don’t get chilly during their winter walks.

Why Is It So Hard to Go Back to Work After a Vacation?

Lots of people experience the “post-holiday blues” or post-vacation depression. Here’s how to identify the signs and overcome the dread of returning to work.

Experts say that it pays to proceed with caution.

Is It Really Possible To Have a Heart Attack Shoveling Snow?

Worried about the health risks that come with shoveling show? Here's what you need to know, plus a few tips for how to do it safely.