We know that heavy metals are naturally present in the environment, but modern industrial activity can increase human exposure through air, water, food, soil, dust, and certain workplaces. This paper reviews how exposure to toxic metals—including lead, mercury, cadmium, arsenic, chromium, and aluminum—can affect human health. Its central message is that risk depends on the […]
Science should not be limited to laboratories, journals, or specialists. Our goal is to bring the cutting edge scientific discoveries to everyone in a way that is clear, useful, and easy to understand. We are scientists, not medical doctors, and we regularly read and assess new studies from research teams across the globe. We share […]