1.   A group of people who practise transcendential meditation claim to have caused a drop in violent crime in America.

2.   Almost overnight, the decision caused a drop in orders and lower income at dozens of NIB affiliates, including those in Texas.

3.   Along with sunlight deprivation, Riley said, sugar binges cause a drop in serotonin, a chemical in the brain that regulates sleep and appetite.

4.   Better screening, safer sex behavior and use of condoms apparently have caused the drop in STDs.

5.   A drop in demand could cause a drop in shares of makers of chips and personal computers.

6.   A hot, dry environment causes leaf drop.

7.   Competition from discounted brands, a pricing policy change at military commissaries and sales of new products caused the drop, the company said.

8.   Damage to other organs in the body can cause drops in blood pressure or in oxygen concentration in the bloodstream, both affecting the brain, Harben said.

9.   Few economists said the drop was caused by higher interest rates, noting, in fact, that bank loans have been rising smartly of late.

10.   Food Lion also unsuccessfully claimed the broadcast caused a drop in its stock price.