25 Benefits of Adopting a Rescue Dog

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According to the ASPCA, 3.3 million dogs enter shelters each year in the United States. Although that number has gone down since 2011 (from 3.9 million) there are still millions of dogs waiting in shelters for a forever home. October is Adopt a Shelter Dog Month; here are 25 benefits of adopting a shelter dog.

1. YOU WON'T BE SUPPORTING PUPPY MILLS ...

A closeup of a dog's nose sticking out from between green bars.
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If you go to a pet store or go to a disreputable breeder to buy that adorable puppy, it’s entirely possible that it’s from a puppy mill, where dogs are kept in terrible conditions. By adopting a rescue, you can help lower the demand for puppies from puppy mills.

2. ... AND YOU CAN GET ALMOST ANY BREED.

A beagle puppy standing on a stone walkway.
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Is your heart set on a specific breed? There’s a wide network of breed-specific rescues out there. Just spend a little time online and you can get the dog of your dreams without resorting to buying from puppy mills.

3. THEY'RE EAGER TO FOLLOW YOUR LEAD.

A woman holding up her finger to a dog.
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A 2016 study that appeared in Journal of Veterinary Behavior: Clinical Applications and Research analyzed problem solving in dogs in homes (what they called "pet dogs") versus shelter dogs. The researchers found that although pet dogs are better at following human pointing, shelter dogs “seem to be more socially driven to gaze and interact with humans” when compared with pet dogs, which they say is likely due to the shelter dogs' "generally limited and poor-quality contact with humans.” But the researchers also pointed out that with increased human exposure, the shelter dogs were trainable.

4. THEY MIGHT HELP YOU GET A DATE.

Two people from the knees down standing close together with a black and white dog between them.
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According to Slate, one survey found that “82 percent of people [felt] more confident approaching an attractive person if they had their dog with them.” Another study cited by Slate found that in the modern world of dating apps, people with dogs look more approachable and happy than those who are dogless.

5. YOU CAN UP YOUR AUDIOBOOK GAME.

A young girl reads a book to her Pomeranian.
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There have been several studies on the best ways to calm dogs in kennels [PDF]. Classical music seems to work well, but one recent study found that compared to other “auditory conditions,” kenneled dogs were more relaxed while audiobooks were playing. Cesar Milan then did his own tests and found that 76 percent of his volunteer dogs were more relaxed at home while listening to audiobooks—and teamed up with Audible to create a specialized audiobook service. Just be careful—soon your rescue pup will be better read than you.

6. THEY CAN DRAMATICALLY TRANSFORM IN A NEW HOME.

A happy dog with his tongue out sitting in a field of flowers.
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Thanks to those heart-wrenching ASPCA/Sarah McLachlan commercials, everyone is familiar with how sad a dog can appear in a shelter. But once adopted, dogs' attitudes can change dramatically. In 2008, Italian researchers published a paper about a shelter dog named Daisy that they placed into a facility for people suffering from Alzheimer’s disease. Although in the shelter Daisy had groomed so much that she developed a skin lesion, in the six months that she lived at the facility, her over-grooming lessened, she was healthy, and she “displayed no aggressive or sexual behavior, even when in heat.” And as a bonus, the researchers reported, the people in the facility experienced “many positive effects of Daisy’s presence."

7. SHELTER PETS COME WITH BENEFITS.

A dog running through the grass with an orange ball in its mouth.
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Whether you get your pet at a breed-specific rescue or from a normal shelter, you'll often have access to resources about your pet, and maybe even classes on how best to take care of it.

8. THEY TYPICALLY COME WITH THEIR SHOTS …

A vet giving a shot to a golden retriever puppy.
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Depending on the shelter, shelter dogs may already be vaccinated and microchipped (or the shelter will perform these services for a small fee)—which means you can get straight to cuddling your new pet instead of making vet appointments.

9. … AND MAY ALREADY BE SPAYED/NEUTERED.

A vet looking into a dog's ear.
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More than half of states have laws requiring “releasing agencies” (a.k.a. shelters) to spay/neuter dogs they adopt out. While the pet sometimes isn't fixed until you adopt it, frequently it’s already been spayed or neutered. Check with your local adoption center.

10. YOU'RE HELPING TO KEEP THE UNWANTED PET POPULATION DOWN.

A lazy bulldog lying on a rug.
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If you happen to adopt a dog that isn't fixed, you can still help prevent pet overpopulation (especially in the wild) by keeping it in the house and away from other unfixed dogs of the opposite sex. (But seriously, get your pets fixed!)

11. THEY MAY BE EASIER TO HOUSE TRAIN.

A small dog holding a leash in its mouth.
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Many adult shelter dogs are already housebroken when you adopt them. But because the dog may have a history that prevented such training (such as never being allowed inside the house), you shouldn't go in expecting a house-trained pet. If your new pupper isn't house-trained, there are resources out there that can help you reach that goal; many say that adult dogs have an easier time getting the hang of it.

12. YOU CAN SKIP THE PUPPY STAGE.

A dachshund puppy plays with a shoe outside in grass.
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It can be tough to fit an energetic puppy into a hectic life. Adopting an older dog from a shelter allows you to skip the puppy stage altogether, which can mean an easier transition from not having a pet to being a pet owner. It also means you may avoid having your slippers, running shoes, pillows, furniture, and doors gnawed on by sharp little puppy teeth.

13. YOU HAVE A BETTER IDEA OF WHAT YOU'RE GETTING.

An older dog sitting in the grass with his tongue sticking out.
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An analysis of many studies found that the "personality" of an adult dog is fairly consistent. Puppies, on the other hand, can change personality a fair amount, especially when it comes to “responsiveness to training, fearfulness, and sociability.” So by getting an adult dog, you have a better idea of what the animal's personality is truly like.

14. THEY'LL BE MORE TAILORED TO YOUR PERSONALITY.

A red haired woman holding a white dog, both laughing.
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Because adult dogs are generally more fixed in their personalities, many adoption centers have matching programs that help the process of pairing dog and human. The ASPCA claims the programs have dramatically improved successful adoptions at some shelters.

15. YOU'LL FEEL MORE INVOLVED IN THE COMMUNITY.

A businessman walking his dog and talking to another dog owner.
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According to a 2013 study, dog owners over 50 who walked their dogs felt a higher sense of community. So adopting a dog can help you connect to your neighbors.

16. YOU'LL FEEL BETTER.

Woman working on her computer getting a kiss on the face from her dog.
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Meanwhile, a study of Mexican dog owners and non-dog owners found that the dog owners felt that they were healthier: “Compared to non–dog owners, the dog owners' scores were significantly lower for psychosomatic symptoms and stress and were higher for general health, vitality, emotional role, absence of bodily pain, social functioning, and mental health.”

17. YOUR KIDS WILL PLAY MORE.

A group of kids petting a dog.
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It’s not just adults that benefit—another study found that child dog walkers played outside more and were more likely to walk in the neighborhood.

18. ADOPTING HELPS SMALL WILD ANIMALS.

A dog looking for a squirrel up in a tree, but the squirrel is on the other side of the tree.
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As one of the most common predators in human areas, dogs can easily do great harm to local wildlife. By keeping dogs out of the wild (whether that’s the city or the countryside), you can help reduce the numbers of truly wild animals that are preyed upon by what are supposed to be pets.

19. IT CAN LIMIT THE SPREAD OF DISEASE.

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Feral dogs can also have disastrous effects on wild animals in regards to disease. For instance, the black-footed ferret was nearly driven to extinction by canine distemper. By keeping dogs out of the environment and well vaccinated, adopters help many other animals too.

20. YOU MAY HAVE A MOVIE STAR ON YOUR HANDS.

A dog wearing a bowtie, standing behind a slate for a movie.
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A surprising number of actual movie stars came from shelters. The original Benji was adopted from a shelter; Rudy, one of the 22 dogs that played Marley in the film Marley and Me, was just 24 hours away from being put down before he was rescued; and Spike, the star of Old Yeller, was adopted from Van Nuys Animal Shelter, supposedly for $3.

21. THEY MIGHT HAVE EXPERIENCE IN HOMES, WHICH MEANS AN EASIER TRANSITION.

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Some shelters have foster programs, where the dog is sent out to live with a volunteer in an actual house. Not only does this give the dog a chance to be away from the shelter, but it gives the humans looking over it a chance to see how the dog reacts in a less controlled environment—hopefully making the future forever home transition easier.

22. EVEN VOLUNTEERING TO FOSTER HAS ITS BENEFITS.

A woman walking a dog in the park.
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If you're not quite ready to adopt, consider fostering, which has a number of benefits for you and for the dogs you're housing. According to one researcher, overweight participants in a “loaner” dog walking program lost an average of 14 pounds because they felt “the dogs need us to walk them.” Other participants in a community dog walking program were inspired to increase their exercise even when they weren't walking dogs.

23. YOU CAN HELP SHELTERS MODERNIZE.

A chihuahua sitting on a cushion in an animal shelter.
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Shelters across the country are modernizing their facilities—a sometimes very expensive prospect. The adoption fee you pay to the shelter to take your dog home will help the facility get the resources to give future dogs a better shelter experience.

24. YOU'RE SAVING AT LEAST ONE LIFE ...

A happy dog with its tongue sticking out lying on flowers.
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By giving a dog in a shelter a second chance, you can make sure it has a great life.

25. ... AND PROBABLY MANY MORE THAN JUST ONE.

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By adopting a dog, you open up a space in the shelter that can be filled by another future pet. And by supporting your local shelter, you help their mission to save many more.

But remember, a pet of any kind is a massive commitment. Some estimate that “more than 20 percent of people who leave dogs in shelters adopted them from a shelter.” And studies have found that much of the problem is people not knowing what they’re getting into. So make sure that you have the time and energy to devote to a pet, and do your research before adopting.

Why Do Dogs Sniff Each Other's Butts?

Chloe Effron // Dogs: iStock
Chloe Effron // Dogs: iStock

WHY? is our attempt to answer all the questions every little kid asks. Do you have a question? Send it to why@mentalfloss.com.

We might giggle when we see dogs sniffing each other’s rear ends, but there’s a good reason why dogs stick their noses in private places. It lets them find out all kinds of things about each other to help them get along and survive. A butt sniff for dogs is like a handshake for humans.

Dogs’ amazing sense of smell is 10,000 to 100,000 times better than humans. They also have a special part of their noses called the Jacobson's organ that lets them ignore the smell of poop when they sniff another dog’s rear. Instead, the organ detects something more important. On the sides of a dog’s anus (AY-nuss)—the place where poop comes out—are special glands that release chemicals telling the body how to grow and work properly. This is what interests dogs the most about each other’s butts. 

The chemicals tell dogs a lot about each other. They help a dog to know if another dog is male or female, how old it is, what it eats, how healthy it is, and even what kind of mood they’re in. The chemicals also help it to know if other dogs are strangers or if they’ve met before. All of this helps dogs decide how they should behave. It's how dogs first get to know each other!

To sniff out more information about dogs and their noses (and their butts!), see this video by Reactions.

Do Lobsters Really Mate for Life?

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iStock

It's a pop culture trope that mated lobsters stay together until they die. But is it true?

Nope. While plenty of animals practice long-term monogamy, lobsters are not among them. Lobsters actually mate by a weird system of serial monogamy. It's not exactly a one-night stand, but it's not a lifelong commitment either. Instead, a bunch of females take turns having a fling with the local dominant male that lasts a week or two and, if they're not happy with the amount of genetic material he's provided, then seek a little extra action.

It works like this: A female lobster who's ready to mate (which they can only do right after they've molted) hangs out near the den of the local dominant male and fans her pheromone-laced urine into his home. This relaxes the male, making him less aggressive and more receptive to mating. Then there's a brief courtship, and the male allows the female into his den.

Anywhere from a few hours to a few days later, the female slips into something a little more comfortable by shedding her exoskeleton. (Shacking up with the neighborhood tough guy guarantees her protection during this vulnerable time.) The pair mates, and the male deposits his sperm in the female. Once her new shell has hardened a week or two later, she takes off, and another female can have her turn. Often, the females in an area will stagger the timing of their molts to make their reproductive conga line more efficient. As soon as one female is done with the stud, the next one is already waiting to pee on his doorstep.

Sometimes, the male doesn't provide enough sperm to fully fertilize all of a female's eggs. In these cases, she'll leave before her new shell finishes forming to find and mate with another male (or males) until she collects enough sperm. Usually this requires just an extra dalliance or two, but as many as 10 have been reported.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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