its not the co.pper line its the faucet stem or angle stop
the buildup of a river delta is caused by erosion
Kidney stones are caused by a buildup of calcium in the kidneys, and therefore I cannot see how saliva would cause it.
Mostly caused from hard water and it is the calcium that builds up.
It is caused by a buildup of lactic acid due to fermentation in the muscles. This is what is described as "the burn" when exercising.
Booty meat
I wouldn't think PVC would attract the calcium particles, at least not to the extent you're talking about. On the other hand, the metal pipes in your faucet will. Try cleaning the faucet first. If you find you have calcium buildup in your faucet, you can either try cleaning it with a product called CLR (Calcium, Lime, Rust) or simply replace it. Good luck.
Osteoporosis According to wikipedia, Hypocalcaemia and , is what is caused by lack of calcium. hypercalcaemia is caused by too much calcium.
Muscle fatigue is caused by an accumulation of lactic acid in muscles.
Low air pressure.
Kidney / bladder stones are caused by a buildup of calcium and is usually linked to an underlying kidney condition. Sunflower seeds are not a particularly large source of calcium, at least compared to most other seeds or leafy vegetables, and are unlikely to contribute significantly to stone formation.
To relieve pressure in the brain caused by fluid buildup.
Osteoporosis