But now, new research shows, many patients on dialysis have severe mental impairment.

Only a minority of affected individuals have severe mental impairment.

The bill would provide full benefits for children with the most severe impairments.

The next two levels include severe impairment and total paralysis, respectively.

However, one in four survivors did suffer severe cognitive impairment.

Should not be used in patients with severe renal impairment.

Any or all of these findings may suggest severe impairment.

A program that trained and found jobs for 250 people with severe mental impairments has closed.

Muscles with severe impairment are likely to be more limited in their ability to exercise, and may require help to do this.

While present it can be most alarming and has been known to cause severe impairment of flying performance.