Dietary fibre or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive ...

Synthetic organisms, mirror-reversed on the molecular level from natural life, could be a possibility within decades. They could interact with humans and the environment in unpredictable, potentially ...

Learn more about the health risks of smoking tobacco. Smoking causes about 20% of all cancers and about ... This damage starts soon after you start smoking and gets worse as long as you continue to ...