Indepth Material

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.

Caffeine is revered by some for its “energising” effects. However, research into the effects of caffeine on health is mixed and dependent on how much is consumed, by whom and when. What does this mean for you?

You observe your muscles working for you in all your physical actions, but what occurs in your body to achieve muscle action? How do the nutrients you consume contribute to your daily physical activities?

Copper is a metal element and an essential dietary trace mineral required for several important metabolic reactions in your body. As with most nutrients either too much or too little can be problematic. How much do you need and why?

Selenium is essential for good health and is involved in many metabolic functions in your body. Soil concentrations of selenium can affect selenium content in food and the amount you consume. Are you getting enough?