decrease over time

Unity Engine
1

Im trying to decrease over time a health script for learning purposes but everytime i run it it decreases completely in seconds i just wanted to know mainly how to use time.deltaTtime correct or lose the update function tried many ways going for simplicity any help please…heres what i have i want it to reduce by the second rather than the frame

using UnityEngine;
using System.Collections;

public class Health : MonoBehaviour {

	public float health = 100;
	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {
		while (health > 1) {
			
			health -= Time.deltaTime;
			print (health);
		}
	}
}
2

Try this

public float health = 100.0f;
public float DecreaseSpeed;


void Update () {

        while(health >= 0) { 

                   health -= Time.deltaTime * DecreaseSpeed;
                   print (health);

        }else{
                   print("Im Dead");
        }

    }
3

thanks but its still not exactly doing it still shoots right down on play

4

Don’t put it in a loop. Because it will run the entire loop in one frame.

The update function is already a loop.

Make it an If Else

5 
public float health = 100.0f;
public float DecreaseSpeed;
     
void Update () {
  health -= Time.deltaTime * DecreaseSpeed;
  print (health);
     
  if (health <= 0) {
     print("Im Dead");
  }
}
6

ooooooooohhhhhhhhhhhh thank you