(ZMEScience) - Is glyphosate safe? The active ingredient of the world’s most widely used herbicide, Roundup, is arguably also one of the most contentious. After decades of believing it posed a risk only to plants, there are growing concerns over its effect on people. But the debate is far from settled.

While many studies claim that glyphosate is safe and environmentally friendly, others have linked it to serious health issues like cancer and called for a worldwide ban. We took a detailed look at the issue and provided answers to some of the key questions behind it.