The predominant cause is a vitamin D deficiency, but lack of adequate calcium in the diet may also lead to rickets.
Potatoes have often been the cause of this disease. It's expected that if you eat more than 8 whole potatoes in a week you will most likely hit the coffin. Other symptons have also been known to getting too close to Orphans.

Rickets in children and osteomalacia in adults.

how do u get rickets

No, rickets is not caused by microbes. Rickets is caused by a lack of vitamin D, calcium or phosphate.

Rickets is caused by a lack of certain minerals in bones due to insufficient levels of calcium and phosphorus in the blood. Sufficient vitamin D in the diet is essential for the maintenance of normal calcium and phosphorus levels.