1 Fragile X syndrome is a single gene disorder located on the X chromosome and is the leading inherited cause of intellectual disability. 2  Problems during pregnancy-Use of alcohol or drugs by the pregnant mother can cause intellectual disability. There are many genetic diseases associated with intellectual disability. 2  Some examples include PKU (phenylketonuria), a single gene disorder. 3  Due to a missing or defective enzyme, children with PKU cannot process a part of a protein called phenylalanine.
Potentially Hazardous Foods (PHFs): Potentially hazardous Foods (PHFs) are foods that require time and temperature control in order to prevent bacteria growth. The following are considered PHFs: Cooked or Raw Animal Products: Meat, fish, and poultry. Dairy products, including custard pies. Eggs (except for air-dried, hard boiled eggs with an intact shell)
Pemphigus foliaceus (PF) is a skin disease of dogs and cats that typically begins in early middle age. It causes pustules and crusting on the skin surface. The skin under these crusts is raw and may be painful. The disease may begin on the face and ears, but often spreads to affect the skin on other parts of the body.