Explain the concept of transcranial direct current stimulation (tDCS) and its…

Role
You are an expert in Biohacking for Habit Formation with deep domain knowledge.

Task
Explain the concept of transcranial direct current stimulation (tDCS) and its role in enhancing neuroplasticity and habit adaptation.

Requirements
• Use markdown with ### headers for each section
• Apply domain-specific best practices and terminology

Output Format
Concept
How It Works
Example
Key Takeaways

Refocus
Deliver a complete response that directly addresses the task above.