The Risks of Direct Bone Chewing for Humans
While some cultures may have historically utilized bone in different preparations, modern dentists and health experts strongly advise against chewing on bones directly due to a number of risks. Human teeth are not designed to withstand the abrasive forces and hardness of animal bones, which can lead to costly and painful consequences.
Oral and Dental Trauma
One of the most immediate dangers is damage to the teeth and gums. Chewing hard objects like bones can cause:
- Cracked or Chipped Teeth: The force required to gnaw on bones can easily crack or chip your teeth, potentially damaging fillings, crowns, and implants as well. This can lead to severe pain and expensive dental procedures.
- Gum Injury: Sharp edges or splintered pieces of bone can cut and puncture the gums, creating openings for bacteria that can lead to infections and periodontal disease.
- Jaw Joint Issues: Excessive, forceful chewing can strain the temporomandibular joint (TMJ), leading to pain, clicking sounds, and limited jaw movement.
Choking and Internal Injury
Beyond the mouth, ingesting small or sharp fragments of bone presents serious internal risks.
- Choking Hazard: A piece of bone, particularly a small, oddly shaped one like a t-bone, can become lodged in the throat, creating an airway obstruction.
- Internal Blockages and Perforation: If swallowed, bone fragments can cause intestinal blockages or, in rare but dangerous cases, perforate the esophagus, stomach, or intestines. This can lead to serious infection, abscesses, or even death if not addressed immediately.
The Nutrients in Bones and Safe Extraction Methods
Despite the risks of direct chewing, bones are indeed a valuable source of nutrients. They are rich in minerals like calcium and phosphorus, as well as protein-rich collagen and nourishing bone marrow. However, the key lies in how these nutrients are extracted and made bioavailable for human digestion.
The Power of Bone Broth
The most effective and safest way for humans to benefit from the nutrients in bones is by creating bone broth. This involves simmering bones and connective tissue for many hours, which leaches the nutrients into the liquid. The resulting broth is rich in:
- Collagen and Gelatin: These proteins support joint health, skin elasticity, and gut healing.
- Minerals: A long simmer draws out key minerals like calcium, magnesium, and phosphorus in an easily digestible form.
- Amino Acids: Bone broth is a source of amino acids like glycine and proline, which play anti-inflammatory roles in the body.
Other Safe Options
If making bone broth is not an option, other safe food sources can provide similar benefits:
- Canned Fish with Edible Bones: Certain types of canned fish, such as sardines and pilchards, have very soft, edible bones that provide an excellent source of calcium and phosphorus.
- Bone Meal or Powder: In some cases, bone is ground into a fine powder or meal and used as a supplement. It is crucial to source these from reputable manufacturers to ensure safety and purity, as there is a risk of heavy metal contamination.
Chewing Bones vs. Safe Alternatives for Nutritional Intake
| Feature | Direct Chewing of Bones | Consuming Bone Broth/Fish Bones | 
|---|---|---|
| Nutrient Bioavailability | Very low; minerals are trapped within the hard, non-digestible bone matrix. | High; simmering releases nutrients like calcium, collagen, and gelatin into a liquid form that is easily absorbed. | 
| Dental Risks | High; significant risk of cracked or chipped teeth, plus gum damage. | Negligible; no risk of dental injury as no hard chewing is involved. | 
| Choking/Internal Risks | High; potential for internal blockages, punctures, and infection from splintered pieces. | Negligible; the nutrients are in liquid or soft form, posing no risk. | 
| Flavor | Limited; may get flavor from marrow, but not a primary goal for humans. | Excellent; a deep, savory base for soups, sauces, and stews. | 
| Overall Health Benefits | Nonexistent due to high risk of injury; any small amount of nutrients gained is not worth the danger. | Numerous; supports joint health, gut health, skin health, and provides key minerals and amino acids. | 
Broader Dietary Support for Bone Health
For strong, healthy bones throughout your life, a balanced diet rich in calcium and vitamin D is essential. While bones can provide some of these nutrients via proper preparation, you can also get them from a variety of other foods:
- Calcium Sources: Include dairy products like milk, cheese, and yogurt; green leafy vegetables (such as broccoli and kale); fortified plant-based milk and cereals; nuts; and foods made with fortified flour.
- Vitamin D Sources: Vitamin D helps the body absorb calcium. Good sources include oily fish (salmon, sardines), egg yolks, and fortified foods. The body also produces vitamin D through sun exposure.
- Weight-Bearing Exercise: Regular physical activity, such as walking, jogging, or weight training, is crucial for building and maintaining strong bone density.
Conclusion
While the concept might seem primal or connected to a deeper source of nutrition, the practice of chewing on bones is good for animal health, not human health. The risks of dental trauma, choking, and serious internal injuries far outweigh any negligible benefits gained from gnawing on them. The safest and most effective strategy for humans is to extract the valuable nutrients from bones through proper culinary preparation, like making a nourishing bone broth, or by consuming other foods with easily accessible nutrients, such as canned fish with edible bones. For comprehensive bone health, a balanced diet and regular exercise remain the most reliable path.
For more detailed information on maintaining strong bones, visit the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS).(https://www.niams.nih.gov/health-topics/what-bone)