Bones, Teeth, and muscles need calcium
Most of the "inhalants" that you will find in your house have worse effects than street drugs. The above mentioned "inhalants" can cause nausea, fever, vomiting, lightheadedness, unconciousness, and possibly death.
Without your skeletal system there would be nothing to protect your organs matter a fact to even hold them in their correct place. You also wouldn't be able to walk, or do much of anything at all.
The answer is true back in biblical times people didnt exactly understand the proper cleansing of food they gathered and bacteria and viruses were being spread around because people didnt wash their hands before they ate or some/most didnt have shoes so they were getting the viruses from bacteria hope this helps!!