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.In childrennearing puberty, the more vitamin K, activates150 VITAMIN K, AND THE CALCIUM PARADOXosteocalcin, the greater the increase in bone mineral content duringthat critical period.Okay, so tweens with higher K2 levels build better bones.Maybethey're just better nourished in general.Does supplementing with K2improve markers of bone quality in kids? Definitely.In healthy, pre-pubertal children, kids 6 to lo years of age, modest supplementationwith K2 increases osteocalcin activation.4° Clinical trials using only45 micrograms of for eight weeks show a decrease in undercar-NIK-7boxylated osteocalcin and an improvement in the ratio of active toinactive osteocalcin.Vitamin K for Dental Health2Of all the benefits of vitamin K2, the one that shows the most promise andabout which there is the least modern research is dental health.Workingindependently, Dr.Weston Price and his contemporaries showed that itwas possible to not just prevent but to also heal active dental cavitieswith diet, and yet this research fell into obscurity.Ensuring adequatevitamin K was a cornerstone of the nutritional protocol to treat cavitiesand it drills holes in our modern understanding of what really causescavities and how to treat them.The tooth is made of four parts (see the diagram below).The softinnermost layer is called the pulp.It houses blood vessels connected tothe body's circulatory system and sensitive nerves.Below the gum lineis the tooth's root; above the gum line is the crown.The pulp is sur-rounded by dentin, a calcified, bonelike matrix made up of millions oftiny, closely packed tubules.In the root, the dentin is covered by cemen-tum, a thin layer of mineralized tissue.In the crown, the dentin is cov-ered by enamel, the white portion of tooth we can see.151 EVEN MORE HEALTH BENEFITS OF VITAMIN K,Anatomy of a ToothOf the three calcified tissues, enamel, dentin and cementum, dentin isunique for a couple of reasons.Unlike enamel, which is formed largely inthe womb, dentin continues to form throughout life.Under the rightconditions, dentin production is stimulated in response to triggers liketooth decay and even chewing.Odontoblasts, cells very similar to thebone-building osteoblasts, line the surface of the pulp just beneaththe dentin and continually produce new dentin.Dentin is also uniquebecause it produces the witamin K2-dependent proteins osteocalcin andMGP (matrix gla protein).Tooth decay starts from outside the tooth.Cavity-causing bac-teria produce acid that slowly eats through the enamel, then quicklyeats through the more porous dentin.Traveling along the tiny dentinchannels, bacteria quickly reach the pulp, which may become infectedeven before the tooth decay penetrates all the way through the dentin.Regular dental checkups and X-rays that spot cavities early limit the pro-gression of a cavity.Drilling out the decay and replacing the lost toothmatter with a filling effectively seals out bacteria and stops the cavity152 VITAMIN K, AND THE CALCIUM PARADOXfrom growing.But that doesn't prevent the process from starting all overagain in another tooth, or even in another part of the same tooth.There are a few different microorganisms involved in tooth decay,namely the Streptococcus species and certain strains of Lactobacillusacidophilus.If that last name sounds familiar, it's because these bugsare considered to be probiotics-friendly, helpful bacteria-in othertparts of the body.In the intestines, this species helps digest food andboost immunity.They are found in yogurt and probiotic supplements.Yes, we've been paying money for the bacteria that cause our teeth torot.If those bacteria are so helpful elsewhere, why are they harmful inour mouth? What induces bacteria to attack teeth?According to the conventionally accepted understanding of toothdecay, cavities happen when foods containing sugars and starches, such asbread, soda pop, cookies, candy or even milk, are frequently left on theteeth.Mouth-dwelling bacteria thrive on these foods, producing acid that,over time, destroys tooth enamel, resulting in decay.Thus, eating high-carb foods and not brushing your teeth causes cavities because of thislocalized reaction.Good oral hygiene will reduce bacteria, whiledietary changes reduce what they feed on.This is the chemicoparasitictheory of tooth decay.This narrow wiew of what causes cavities has us playing a losinggame of catch-up with tooth decay-and it doesn't leave room for themost effective and fundamental approaches to preventing cavities waybefore they start.Even with a low-sugar diet and regulÄ…r brushing, flossingand professional cleaning, cavities happen.It is impossible to keep themouth free of bacteria with dental hygiene.More to the point, Price foundthat "urany primitive races have their teeth smeared with starchy foodalmost constantly and make no effort whatsoever to clean their153 E V E N M O R E H E A L T H B E N E F I T S O F V I T A M I N K,teeth.In spite of this they have no decay.1' Something else protectedthese people from both the bacteria and their cavity-causing activity:vitamin K2.Price observed that people with active tooth decay had high levels ofLactobacillus acidophilus in their saliva, averaging around 323,000microorganisms per milliliter.After treating his patients with vitaminK,-rich butter oil, Price's special concentrate of butter from grass-fedcows, the average bacteria content dropped to i5,ooo bugs per milliliter ofsaliva, a reduction of 95 percent.¢2 In some cases, the bacteria disap-peared completely [ Pobierz caÅ‚ość w formacie PDF ]
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