Discount brokerages require a minimum age of 18. However, you can create a sub-account under your dads name (as long as he signs some sort of consent form) and these sub-accounts don't have a minimum age requirement.
Vitamin D deficiency rickets can be caused by a lack of vitamin D in the diet, a lack of exposure to the sun, or malabsorption syndromes in which there is an inability of the intestines to adequately absorb nutrients from foods.
Our database lists the following as having Vitamin D deficiency as a symptom of that condition: 1  Celiac disease, susceptibility to 1. 2  Celiac disease, susceptibility to 10.  Celiac disease, susceptibility to 11.