Protests have been held in more than 40 countries against the US food giant Monsanto and its genetically modified foods and pesticides.<br /><br /> From Mexico City to Burkino Faso, demonstrators made their anger felt at what they said was the threat to biodiversity and ecosystems from the company’s products.<br /><br /> Similar fears in Argentina have seen doctors sign a petition to get one herbicide – which is created by Monsanto – banned.<br /><br /> Doctor Medardo Avila Vasquez said: “If a woman gets pregnant during the period of crop fertilization, the risk is very high that she will have a disabled baby.”<br /><br /> “This type of production to create genetically modified soya poisons us. It poisons the air, the water, the soil … It kills our children, our partners, it gives us cancer,” Vasquez added.<br /><br /> The company insists its products are safe.<br /><br /> But the World Health Organisation recently classified the the pesticide’s main ingredient as “probably carcinogenic to humans”.<br /><br /> Around 2,500 people took part in protests in
