Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Dagga now also being used on animals > Health-in-Motion 30 May 2017 When trying to lose weight, should you eat or fast before exercising? When trying to lose weight, should you eat or fast before exercising? That’s one of the questions British researchers tried to answer in a recent study by looking at the expression of genes in the fat tissue of a group of overweight males. The expression of the genes PDK4 and HSL increased when the test subjects didn’t eat before exercising, suggesting that energy from stored fat was used to power the physical exercise, potentially leading to weight loss. The opposite was the case when the men ate before exercising. 0 More: Daily Dose: Dagga now also being used on animalsHealth-in-Motion advertisement Other news Lifestyle How to communicate to your kids about nutrition 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 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.