Part 2. 1  1. Fill out a Petition for Legal Separation. This form, numbered FL-100, tells the court why you want a legal separation and briefly identifies the issues the court will need to address, including child custody, child and spousal support, and property division. 2  2. Fill out a Summons.
Arthritis of the bones and joints can also be caused by vitamin D deficiency. In addition, young children who have a deficiency of vitamin D can suffer from rickets, which is a disease that causes softening of the bones.
A lack of vitamin D â known as vitamin D deficiency â can cause bones to become soft and weak, which can lead to bone deformities. In children, for example, a lack of vitamin D can lead to rickets. In adults, it can lead to osteomalacia, which causes bone pain and tenderness.