Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > 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: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Fitness Want to get stronger? Stop ignoring these muscles in your workout Diet and nutrition You won’t believe these 6 health benefits of homemade chocolate cake Diet and nutrition Breakfast vs. dinner: Which meal is mightier? Lifestyle Do these sleep myths really work to get you to bed? Medical Why gum disease can affect so much more than your oral health Sex Can you burn kilojoules while having an orgasm? From our sponsors Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Looking younger » Can maple leaves help you look younger? New research has found that maple leaf extract can help you look years younger. Killer foods » Wild mushrooms a 'silent killer' Health practitioners are warning people to stay away from wild mushrooms.