1.   And cells sometimes release zinc to help fight infections.

2.   Antibiotics are drugs used to fight bacterial infections.

3.   Antibodies fight infections, so elevated levels hint at side effects.

4.   As her immune system fought the infection, the pain eased somewhat so she knew the litter box had been the cause.

5.   At the time, my mother was hospitalized, fighting numerous infections, any one of which could kill her.

6.   Berk found that laughter had activated T lymphocytes and natural killer cells that fight infection.

7.   Being able to use those immune cells could also have implications for fighting infections, and for preventing rejection of transplanted organs and tissue.

8.   A hernia has been repaired twice, one testicle had to be lowered, tubes were inserted in his ears to fight infections.

9.   AIDS researchers, for instance, have used cancer remedies to fight HIV infections.

10.   But ear infections often linger now, because widespread use of antibiotics to fight the infections has bred resistant strains of bacteria, physicians said.