Lee Swanson: Why has armor thyroid, the natural form of thyroid, fallen out of fashion with 99% of doctors who are treating? Dr. Stephen Langer: It's considered an old fashioned remedy. A lot of the doctors feel that the dosage can't be standardized with the precision they would like, which is true, and it's untrue. In other words, when you get a natural substance there are some slight variations that can happen from batch to batch. I have never or rarely ever found that that was any kind of a factor in my treatment of any of my patients. I think the brand name Natural Thyroid the people that manufacture it, Forest Pharmaceuticals have it down so well that from batch to batch it's pretty well standardized. What most people don't know is that the synthetic thyroid and I'm not going to mention any trade names but some of the biggest trade names in synthetic thyroid have actually in the past 10 years been recalled by the FDA multiple times because they could not standardize the exact dose. So, the very thing they're accusing the natural for is, it's actually been found in the synthetic thyroid. So, I think that that's really a bogus argument. But medicine tends to be trendy. In other words, if a few leaders in a particular field say that that something is out of fashion, I think there's more of a herd instinct that tends to go with what's in vogue rather than what works best. Lee Swanson: Well, thank you Dr. Langer, I appreciate those insights.