Deck Stair Railings. Guard rails must be provided on the open side of a stair where it is more than 30 above the floor or grade. Stair rails must be at least 34 high measured from the nosing of the stair treads.
DMS: Rare Disease. DMS is listed as a  rare disease  by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).DMS is listed as a  rare disease  by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that DMS, or a subtype of DMS, affects less than 200,000 people in the US population.MS (medical condition): A rare inherited disorder involving a kidney disorder that starts early... more Â». See also: Mesangial sclerosis, diffuse : Â» Introduction: Mesangial sclerosis, diffuse.
Persistent Depressive Disorder (Dysthymia) Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression. It is generally experienced as a less severe but more chronic form of major depression. PDD was referred to as dysthymia in previous versions of the DSM.