Synopsis As Introduced Amends the Illinois Marriage and Dissolution of Marriage Act. Provides that, in determining whether to grant visitation to a non-parent, the court shall consider whether denying visitation will result in the loss of knowledge of genetic history or health information necessary for future preventive health care measures of the child. Allows a grandparent, great-grandparent, step-parent, or sibling of a minor child to bring a petition for visitation and electronic communication if there is an unreasonable denial of visitation by a parent that causes undue mental, physical, or emotional harm to the child and if a parent of the child is a threat to the physical, mental, or emotional safety of either of the parents or the child.