### Instruction:

Extract the cause and effect entities from the following sentence:
Thus also studies made by our researchers [78], has been shown that the use of the AES algorithm reduces half the batteries life

### Assistant:

KEYWORD: has been shown that
NOT_RELEVANT: Thus also studies made by our researchers [78],
CONDITION: reduces half
VARIABLE: the batteries life
CAUSE_1: the use of the AES algorithm
EFFECT_1: reduces half the batteries life

