It is fairly common to cite acidic drinks and too much sugar as wrecking teeth. But, how sabotage happens to bones in general from what goes inside isn't quite as common knowledge.
   If the blood is acidic, the body will hit up the bones for some calcium. Different proteins, processed foods, and cereals all metabolize (what they become with processing) in the body as acidic. Proper amounts of fruits and veggies tend to make the body alkaline. Yet, quality dairy and other proteins support bone health. Citrus is acidic initially but metabolizes as alkaline in the body(1).
   Calcium to phosphorus and other nutrient ratios get out of whack when improper intake of vitamins and minerals occur. Different nuts, spices, fruits, veggies, proteins, and healthy fats play roles in supplying these deficiencies(2). Exercise helps support bone health, and different medications also affect it(1).
   In short, bones simply point to the whole body needing a balanced range of all sorts of the right foods and supplements. My family uses a convenient line of supplements in Source 1 that helps us get very high-quality, well-absorbing doses of all different nutrients - please fill out the contact form above for more information.

Sources:
1. "Eating a More Alkaline Diet for Bone Health." Isagenix Health, Isagenix International, LLC, 30 May 2013, https://www.isagenixhealth.net/eating-a-more-alkaline-diet-for-bone-health/
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2. Henry, Derek. "An unconventional approach to dental health that works." Dentistry.News, Dentistry News, 9 November 2017, http://www.dentistry.news/2017-11-09-an-unconventional-approach-to-dental-health-that-works.html

There are two brains: the well-known one and "second brain" in the gut. The vagus nerve is the big connection that makes sure the heart beats right and digestion is going according to plan. It is huge in directing the body's ability to "self-heal" - involving immunity to blood sugar to stress regulation. Proper vagal tone means healthy vagus nerve control of heartbeat. Deep breathing actually plays a helpful role in stimulating the vagus nerve right - improving this vagal tone and immunity(1).
"Sickness behavior" is when the immune system goes into a taxing response mode to an infection, etc. causing fatigue, fever, depression, and more. An essentially chronic form is chronic fatigue syndrome (CFS). One possible viral of bacterial infection trigger for the condition, hypothesized by an article published in 2013, is one of the vagus nerve(2).

Sources:
1. Ram, Nanditha. "The nervous system, migraine and yoga therapy." Natural.News, Natural News Features, LLC, 19 February 2016, http://www.natural.news/2016-02-19-the-nervous-system-migraine-and-yoga-therapy.html
2. VanElzakker, Michael B. "Chronic fatigue syndrome from vagus nerve infection: a psychoneuroimmunological hypothesis." Med Hypotheses, vol. 81, no. 3, pp. 414-23. GreenMedInfo, http://www.greenmedinfo.com/article/chronic-fatigue-syndrome-vagus-nerve-infection-psychoneuroimmunological-hypoth, Abstract.

Soy that the body also identifies partly as Brazil nuts(1)? Here are just a few little reasons why the body responds differently to genetically modified (GMO) foods differ than foods around for thousands of years or at least hybridized through conventional crosses:
Digestive inflammation and irritation attends these GMOs (1) which the body doesn't even recognize as normal. They tend to be designed to accommodate more pesticides and other agricultural chemicals rather than replace them(1) - so we get exposed to more residual stuff that doesn't just keep away the unwanted organisms from the fields.
While I personally try to avoid rice by when by itself and soy protein, GMOs especially impact populations whose dominant staples are the very foods that have been genetically modified, and so they get the biggest doses of GMOs if those varieties are prevalent. Taiwan, which does consume a lot of soy, has banned GMOs in school lunches - they recognized by about a year ago that an extra 15 US cents up-front per kid per lunch saves some dough on health issues(2).

Sources:
1. Passero, Dr. Kevin. "Is Paying Extra for Organic Really Worth It?" Live in the Now, Nutranext Direct, LLC, http://www.liveinthenow.com/article/is-paying-extra-for-organic-really-worth-it
2. Z., Isabelle. "Taiwan has banned GMOs in school lunches; when will America protect its children and do the same?" prevention.news, Prevention News, 17 January 2017, ​http://www.prevention.news/2017-01-17-taiwan-banned-gmos-in-school-lunches-when-will-america.html