Metabolism

Ultra-trace elements, such as arsenic which is known to be toxic, may be dietary essentials. However, research into their essentiality is limited and human requirement may only be estimated or suspected for some elements. Learn more.

Your kidneys have a significant role in homeostasis by ridding your body of excess nutrients and potentially toxic compounds produced during your metabolic processes. Malfunctioning kidneys are a serious health risk: how healthy are your kidneys?

Food packing can preserve and protect food through processing, transportation, purchasing, and storage until the product is consumed. Plastics have become a cheap and convenient packaging material, but are you getting more than you bargained for?

Your gastrointestinal tract on its own cannot complete the processes of digestion and absorption of nutrients obtained from foods and beverages. Learn about several internal accessory organs which help complete the process.

Nitrogen is a non-metal element, a component of the air that we breathe, and living plants and animals. Although nitrogen is essential to human health, in some forms this element may be responsible for carcinogenic activity. Should you be concerned?