Know yourself - Introductory Material

Before embarking on a healthy physical activity or exercise plan it is good to have some idea of your health status and physical abilities so that your plans will be successful.

Ultra trace elements may be required as dietary essentials. Part 2 discusses vanadium, aluminium, bromine, germanium, cadmium, lithium, lead, rubidium and tin.

Lack of sleep can adversely affect your health and overtime may contribute to increased risk of chronic health conditions. Should you be concerned about your sleeping patterns?

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?