Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Dagga now also being used on animals > 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: Dagga now also being used on animalsHealth-in-Motion advertisement Other news Medical Testicular cancer survivor: 'My testicle doubled in size' Natural Health Why are biologics so expensive? Diet and nutrition It can take months to break bad eating habits Medical Childhood chemo may have lasting effects on memory Medical Back pain patients with depression get more opioids Mental health 'Rogue' genes may be the cause of some ALS cases From our sponsors WIN a R2000 Skin Renewal voucher! Constipation in women SA's old diesel vehicles continue to fuel allergies Complete our allergy survey and stand a chance to win R 1000! Live healthier Wasting water? » South Africa is facing a water crisis Water saving tips Water quality report shocks SEE: How much water do you use per day? With level 4 water restrictions in Cape Town, residents are urged to use a maximum of 100 litres per person per day. Here’s how quickly it adds up. Life saving tip! » SEE: 10 things to keep in your first aid kit 10 first aid myths Here's why you need a first aid kit in the car Emergency services are often spread thin, especially when storms and major disasters strike. When travelling on the road, having a well-stocked first aid kit could be a lifesaver.