Michigan State Researchers Discover a Roadblock to Autoimmunity

Every chemical substance, whether natural or manmade, can be toxic if it is ingested, inhaled, or absorbed at levels that cause toxicity. This is true of micronutrients that are essential to the human body; compounds that occur naturally in animals, plants, and soil; chemicals that humans make and use in a variety of products; and even water. For this reason, the longstanding tenet of toxicology is “the dose makes the poison.” But in many cases, the dose of a substance can be beneficial or curat…