What challenges in drug use monitoring does this technology aim to overcome?
Limitations in current methods, such as delay in detection and high false alarm rates.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What challenges in drug use monitoring does this technology aim to overcome?

### Input: Not applicable

### Response:
Limitations in current methods, such as delay in detection and high false alarm rates.<|im_end|>