Cold Exposure
2-5 minute cold shower or ice bath for hormonal response.
Impact Score
4 / 100
Difficulty
moderate
Schedule
Daily AM — post-waking
Time
5 min
How It Works
Start with 30 seconds of cold water at the end of your shower and work up to 2-5 minutes. Water temperature should be 50-59°F (10-15°C). Cold exposure triggers norepinephrine release and may support testosterone through hormetic stress.
Claimed Benefits
- 200-300% norepinephrine increase
- Improved cold tolerance
- Enhanced dopamine for hours
- Potential T support via hormesis