| Lead builds up in the tissues, and chronic lead poisoning can cause mental retardation and sterility. |
| One family of mycotoxins, the aflatoxins, are carcinogenic and immunotoxic and cause growth retardation in animals. |
| The retardation of proton escape from the membrane surface was previously explained by the damping effect of immobile pH buffer at the surface. |
| Congenital retardation seems to doom many of the retarded individual's interests to frustration. |
| Under heavy braking, the gearbox changes down flawlessly, giving increased retardation. |
| Fetuses and children exposed to incinerator dioxins suffered liver damage and retardation of sexual and brain development. |
