However, the storm did not last very long, and cold water temperatures caused it to weaken.

Exercising some muscles less, which can cause them to weaken.

He let go of her shoulders- The rest would never have happened if some impulse hadn't caused her to weaken just one instant.

However, cooler waters and upper level shear caused it to weaken.

This causes parts of the immune system to weaken.

He considered these powers a closely guarded secret and rarely used them, as each use caused him to weaken considerably.

As Maria made the turn, dry air began to enter the system, causing it to weaken.

On the next day, wind shear around the storm caused it to weaken into a remnant low.

This was short-lived though, as conditions surrounding the cyclone soon caused it to weaken.

This mixture of results causes the relationship between cross-race exposure and recognition ability to weaken.