Indepth Material

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?

Despite media claims to the contrary, soy and many soy products can be included in a health promoting diet. Learn more about how soy consumption can contribute to your health.

There are thousands of food additives available and many, but not all, have been approved for use in food preparation and preservation. While offering a variety of benefits, what are the health costs associated with some food additives?

Your brain is the centre of a complex control system which governs your body, but function declines with aging, sometimes resulting in dementia. What can you do to keep your brain healthy? Exercise and diet may have brain benefits.