Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: 15 astounding facts about the human body > Health-in-Motion 25 October 2016 Selenium is an important nutrient Selenium is an important nutrient that forms an essential part of the human diet. Particularly good sources of this trace element include foods like fish, eggs, certain nuts, such as Brazil nuts, shellfish, meat and milk. But what exactly is selenium good for? German medical researchers have recently demonstrated that high concentrations of selenium in the blood may be associated with a lowered risk of developing liver cancer and possibly other types of cancer as well. 0 More: Daily Dose: 15 astounding facts about the human bodyHealth-in-Motion advertisement Other news News Beware of 3 other diseases besides Listeriosis, officials warn Fitness Lose your gut with these 3 riding tips Fitness Are veiny arms really a sign you’re super fit? Lifestyle Here’s why you should take your houseplant to work Diet and nutrition Can coconut oil really help you lose weight? Medical SEE: About 90% of teenagers suffer from this condition From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Live healthier Terrific Tea! » Rooibos makes cocktails healthier Rooibos: an alternative energy drink More than 10 reasons why rooibos is good for you Today marks the first annual National Rooibos Day, which aims to raise awareness of the health benefits and many uses of rooibos tea. Healthy? Are you sure? » 5 diseases we can get from animals Could your salon visit make you sick? 7 terrifying diseases you could have without knowing it Not all serious illnesses come with tell-tale symptoms. There are diseases that can turn your body into a ticking time-bomb while you're unaware of any danger.