Why Dogs Need to Chew: The Science Behind Natural Chewing Behaviour
Chewing Is More Than Just a Habit.
Chewing is one of the most natural behaviours a dog can display — yet it’s also one of the most misunderstood. Many owners see chewing as a “bad habit” linked to ruined slippers, damaged furniture or stolen socks, but science tells us something very different.
In reality, chewing is a deeply instinctive behaviour that supports your dog’s mental wellbeing, physical health and emotional regulation. From teething puppies to senior dogs, the urge to chew is hardwired into canine biology.
When dogs are given safe, appropriate outlets for chewing, it can help reduce boredom, ease stress, encourage calmness and support a happier, more balanced life.
If your dog constantly looks for things to chew, they are not trying to be naughty — they are simply being a dog.
Why Are Dogs Naturally Driven to Chew?
Dogs evolved as opportunistic scavengers and hunters. In the wild, canines would spend long periods tearing apart prey, gnawing bones, stripping connective tissue and foraging for food.
Their entire anatomy reflects this instinct:
- strong jaw muscles
- specialised teeth
- repetitive chewing patterns
- natural prey-dissection behaviours
Even modern domestic dogs still carry these instincts today.
This is why many dogs:
- shake toys
- shred cardboard
- chew sticks
- gnaw furniture
- obsess over long-lasting chews
Chewing is not random behaviour — it is biologically rewarding.
Chewing Helps Dogs Relax and Self-Regulate
One of the most fascinating discoveries in canine behavioural science is the relationship between chewing and emotional regulation.
Chewing helps many dogs transition from a heightened state of arousal into a calmer emotional state. Repetitive chewing motions appear to help reduce stress hormones while encouraging the release of calming endorphins.
This is why dogs often chew:
- after exciting events
- during stressful situations
- when left alone
- after walks
- when visitors arrive
- during fireworks or storms
For anxious or overstimulated dogs, chewing acts almost like a natural coping mechanism.
Many owners notice their dog visibly relaxes after:
- licking a food toy
- chewing a long-lasting natural chew
- working through enrichment activities
This is one reason enrichment-based routines are now strongly recommended by many canine behaviour professionals.
Mental Stimulation: Why Chewing Tires Dogs Out
Physical exercise is important, but mental stimulation is equally essential for canine wellbeing.
Chewing engages:
- problem-solving behaviour
- focus
- sensory processing
- jaw work
- repetitive calming actions
This steady mental engagement helps dogs burn mental energy in a healthy way.
In fact, many bored dogs are not under-exercised — they are under-stimulated.
Chewing can help reduce common boredom behaviours such as:
- pacing
- barking
- stealing items
- digging
- destructive chewing
- attention-seeking
Long-lasting chews are especially useful during:
- rainy days
- busy workdays
- crate rest
- recovery periods
- limited outdoor activity
Combining natural chews with sniffing games, lick mats and enrichment activities can help create a more mentally fulfilling routine for your dog. If you’re looking for easy ways to keep your dog occupied indoors, explore our guide to DIY dog enrichment ideas you can try at home.
The Physical Health Benefits of Chewing
Most owners know chewing can help clean teeth, but the benefits go far beyond dental hygiene.
Dental Support
Natural chewing creates scraping and shearing actions that may help reduce plaque and tartar build-up. This can support healthier gums and fresher breath.
Dental disease affects a huge percentage of dogs, so regular chewing opportunities can form part of a broader dental care routine.
Saliva Production and Digestion
Chewing increases saliva production, which helps lubricate food and support digestion.
Saliva also helps buffer stomach acid and supports oral health naturally.
Jaw and Cognitive Health
Emerging research suggests repetitive jaw activity may also support:
- healthy bone loading
- cognitive stimulation
- sensory engagement
- memory-related brain activity
While more canine-specific research is still developing, many animal behaviour experts now view chewing as an important welfare behaviour rather than simply “play”.
Why Puppies Chew So Much
Puppies explore the world with their mouths.
During teething, chewing becomes even more important because it helps relieve gum discomfort as adult teeth emerge.
This phase usually peaks between:
- 3–6 months of age
Without appropriate chewing outlets, puppies often redirect their chewing toward:
- furniture
- skirting boards
- shoes
- cables
- hands and clothing
Providing safe puppy-friendly chews can help redirect this instinct in a healthier way while supporting emotional development.
Why Adult Dogs Still Need to Chew
Many owners assume chewing is “just a puppy thing”, but adult dogs still have a strong biological need to chew.
For adult dogs, chewing acts as:
- enrichment
- stress relief
- boredom prevention
- mental stimulation
- relaxation
Chewing is especially important for:
- working breeds
- high-energy dogs
- intelligent breeds
- dogs left alone for periods
- dogs with limited stimulation
Without appropriate enrichment, many dogs create their own entertainment — which often leads to destructive behaviour.
Can Chewing Help Prevent Destructive Behaviour?
In many cases, yes.
Dogs that lack mental stimulation frequently redirect their natural chewing instincts onto household items.
Providing safe, satisfying chewing outlets can help reduce:
- furniture chewing
- sock stealing
- carpet chewing
- excessive licking
- frustration behaviours
The key is making appropriate chewing opportunities more rewarding than inappropriate ones.
Management, enrichment and supervision are usually far more effective than punishment.
How to Choose Safe Chews for Dogs
Not all dog chews are equally safe.
A chew that is too hard may increase the risk of broken teeth, while poorly sized chews may create choking hazards.
A Simple Rule:
If a chew feels rock hard against your knee or cannot be slightly dented with your fingernail, it may be too hard for some smaller breed dogs.
Safer chewing options often include:
Always supervise your dog with new chews and remove small swallowable pieces when necessary.
Cooked bones should generally be avoided because they can splinter but air-dried bones are perfectly safe.
Chewing Is Part of Being a Dog
At its core, chewing is not a problem behaviour — it is a biologically normal canine behaviour.
When we provide dogs with safe opportunities to:
- gnaw
- lick
- shred
- sniff
- forage
- chew
…we support their natural instincts in a healthy and enriching way.
A dog that is allowed to express natural behaviours appropriately is often calmer, more fulfilled and easier to live with.
Chewing is not simply about “keeping dogs busy”. Chewing works best as part of a broader enrichment routine that includes sniffing, licking, foraging and interactive play.
It is about supporting their emotional wellbeing, behavioural health and natural canine instincts.
FAQs
Is chewing calming for dogs?
Yes. Chewing can help many dogs relax by encouraging repetitive, soothing behaviour that may reduce stress and help regulate arousal levels.
Do dogs need to chew every day?
Most dogs benefit from regular chewing opportunities as part of a balanced enrichment routine. The type and duration of chewing will vary depending on age, breed and individual preferences.
Why does my dog chew furniture?
Furniture chewing is often linked to boredom, teething, stress or lack of appropriate chewing outlets. Dogs naturally seek opportunities to chew, especially when under-stimulated.
Are long-lasting chews mentally stimulating?
Yes. Long-lasting chews encourage focus, problem-solving and sustained engagement, which can help mentally tire dogs out.
Is chewing good for puppies?
Chewing is extremely important for puppies, especially during teething. Appropriate puppy-safe chews can help relieve gum discomfort and redirect destructive chewing behaviour.
What are the safest natural dog chews?
Safer options typically include appropriately sized natural chews that are not excessively hard. Always supervise your dog and choose chews suited to their chewing style and size.
Can chewing help anxious dogs?
For some dogs, yes. Chewing can act as a calming activity that helps reduce stress and encourages relaxation during potentially overwhelming situations.
Why do dogs like chewing so much?
Chewing is instinctive. Dogs are biologically wired to chew as part of natural scavenging, foraging and prey-processing behaviours inherited from their wild ancestors.
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