Neonicotinoid pesticides, the world’s most widely used class of insecticides, are linked to male reproductive toxicity in lab animals, especially at higher doses, according to a new scientific review of two decades of evidence.

Professor Michael Antoniou, head of the Gene Expression and Therapy Group at King’s College London, describes how regulators are ignoring the health risks of stacked-trait GMOs and the combined toxicity of pesticide mixtures.