Speaker: David Crow. Plant-based medicines offer various mechanisms which may protect us from radiation, including activation of antioxidant defenses, prevention of hepatotoxicity, anti-inflammatory processes, detoxification pathways, anti-mutagenic and immunomodulatory actions. Protective properties of common herbs such as ginger, turmeric, aloe, neem and milk thistle are discussed as well as lesser-known species such as Adhatoda vasica, Piper longum, and Boerhaavia diffusa.