DisplayControl.RepeatedGet C# (CSharp) Method

    IEnumerator RepeatedGet()
    {
        while (true) {
            WWW w = new WWW (url);
            yield return w;
            yield return new WaitForSeconds(1);
            if (w.error == null)
            {
                var HubResponse = JSON.Parse(w.text);
                dplabel = HubResponse["heart_rate"].Value;
                oxygen = HubResponse["oxygen_saturation"].Value;
                //				oxygenStr = "Oxygen Level: " + oxygen;
                heart = HubResponse["heart_rate"];
                systolic_arterial_pressure = HubResponse["systolic_arterial_pressure"];
                diastolic_arterialpressure = HubResponse["diastolic_arterialpressure"];
                respiration_rate = HubResponse["respiration_rate"];
                //{"heart_rate":"72","respiration_rate":"16.2651","systolic_arterial_pressure":"106.976","diastolic_arterialpressure":"63.8783","oxygen_saturation":"0.968285"}
            }
            else
            {
                Debug.Log("error");
                //			content.text = w.text;
            }
        }
    }