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```python
# AI Dev Tool: PostgreSQL Vector Search Extension for Health Risk Assessment
#============================================================

import os
import psycopg2
from psycopg2 import Error
from typing import List, Dict

# Define a function to create a PostgreSQL database connection
def create_connection(host: str, database: str, user: str, password: str) -> psycopg2.connection:
    """
    Create a PostgreSQL database connection.

Args:
    - host (str): The host IP address or hostname.
    - database (str): The database name.
    - user (str): The username to use for the connection.
    - password (str): The password to use for the connection.

Returns:
    - connection (psycopg2.connection): The PostgreSQL database connection.
    """
    try:
        connection = psycopg2.connect(
            host=host,
            database=database,
            user=user,
            password=password
        )
        return connection
    except Error as e:
        print(f"Error creating connection: {e}")

# Define a function to create a table for storing health risk data
def create_table(connection: psycopg2.connection, table_name: str) -> None:
    """
    Create a table for storing health risk data.

Args:

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