In later life, a process called demyelination can occur, causing poor neural function.

In half (11 cases) this was at the patients' request because of poor function.

Abnormal genes, passed down through a family, have been linked to poor functions in some parts of the brain.

In developed countries, obesity, alcoholism, and drug use are common causes of poor immune function.

Patients with poor renal function, who, in the physician's opinion, may be at high-risk for a reaction to contrast medium.

A 72 year old man with ischaemic heart disease and poor ventricular function was admitted to hospital after collapsing at home.

For every 10-point increase in systolic blood pressure, there was a 9 percent increase in the risk of poor cognitive function later.

This is associated with increased cardiac output, metabolism, a fast heart rate, and poor immune function.

However, many patients are precluded from surgery due to poor cardiopulmonary function, advanced age, or extensive disease burden.

They did not recommend the use of the pistol, primarily because of the poor function during the test.