Final answer:
The signs of heroin use can include pinpoint pupils, extreme drowsiness, slow breathing, slurred speech, and constricted blood vessels.
Step-by-step explanation:
The signs of heroin use can vary, but some common physical signs include:
- Pinpoint pupils (pupils that appear very small)
- Extreme drowsiness or nodding off
- Slow or shallow breathing
- Slurred speech
- Constricted or small blood vessels
- Inability to respond to stimuli
In addition to these physical signs, there may also be behavioral changes such as sudden mood swings, changes in social circles, and increased secrecy. It is important to seek immediate medical help if you suspect someone has used heroin and is unresponsive.