Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Flesh-eating maggots dig into woman's arm > 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: Flesh-eating maggots dig into woman's armHealth-in-Motion advertisement Other news Medical When the big 'C' hits close to home Medical How menopause harms your body Medical How to deal with hot flushes Lifestyle This type of anaesthetic could cause a painful permanent erection Partner Content Bringing life-changing tech to SA healthcare countrywide Medical Heavier women may need mammograms more often From our sponsors Discover treatments that can help reduce acne Dementia and Incontinence: what you need to know Fill in our quick and easy survey and stand a chance of winning a R2000 voucher! What can I do to reduce or remove acne marks? Live healthier Watch out! » Gross fungal infections you can pick up at the gym You go to gym to exercise. But make sure the only thing you pick up is a dumbbell and not one of these gross fungal infections. Holiday health » Your 10-step asthma holiday checklist Don’t let asthma ruin your summer holiday. Whether you are travelling or embracing the summer at home, make sure you plan ahead.