Chronic health effects are increasing in the world such as cancers, hormonal, reproductive, nervous, or immune diseases, even in young people. During regulatory toxicological subchronic tests to prevent these on mammalian health, prior commercialization of chemicals, including pesticides and drugs, or GMOs, some statistically significant findings may be revealed.

Experience in scientific committees for the assessment of environmental and health risks of GMOs, and in biological, biostatistical research and medicine, allowed us to review and criticize mammalian feeding trials with GMOs, and make new proposals.