It might increase the effects of anesthesia and other medications on the brain during and after surgery.

There is some concern that they might increase the risk of bleeding during and after surgery.

New studies also suggest that the death rate for seemingly unrelated conditions, like heart attacks, increases years after surgery.

Surgery: Evening primrose oil might increase the chance of bleeding during or after surgery.

These conditions increase your risk of serious problems after surgery.

But some conditions increase your risk of serious problems after surgery.

These health issues increase the risk of serious problems after surgery.

Spinal fusion increases the possibility of complications and the recovery time after surgery.

It might increase the risk of bleeding during and after surgery.

Some physicians worry that it might increase bleeding during or after surgery.