public void traverseForward() {
		Patient current = head;
		System.out.println(head.getName() + ", " + head.getAge() + ", " + head.getIllness());
		current = head.getNext();
	  while (current != null && current != head) {
		System.out.println(current.getName() + ", " + current.getAge() + ", " + current.getIllness());
		current = current.getNext();
	  }
	}