An earlier study of men also showed a protective effect.

However, at that point they did not know how long the protective effects would last.

"But the protective effect will only last for about a minute."

Some studies have not found a protective effect from drinking.

But the protective effects of arrests do not last long.

There is little or no evidence of a protective effect in fertile women.

Getting more than the average amount of sleep had no effect, either protective or helpful.

"But we evaluated the drugs in another population with a different study design and didn't find any evidence for a protective effect."

These types of oils may have a protective effect on the heart.

Exposure at other times during childhood did not have any significant protective effect.