Home > Lifestyle > Your Blood 17 June 2014 Give blood, lose weight 2 A blood donor from Shutterstock. ~ hxdbzxy There are many reasons to give blood, not least of all the ability to save the lives of complete strangers just by sitting in a chair.What might surprise you, though, is how good for you donating blood is. It significantly reduces your chance of cancer for life, even though it only takes 48 hours to completely replace the lost blood cells.Even better, giving blood burns calories. A LOT of calories. One session of donating can burn up to 650 calories, the same as 45 minutes of running or a third of a woman’s recommended daily intake.This is why you shouldn’t think of giving blood as a chore, but rather as really, really effective exercise.Wake-up exercise workout NEXT ON HEALTH24X Experience a contact lens that feels like nothing 2016-10-24 12:49 More: LifestyleYour Blood advertisement Read Health24’s Comments Policy Comment on this story 2 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors How to care for your vaginal flora Live healthier Hello? » SEE: Interesting facts about hearing loss Earworms: Let it go Is it bad to sleep with earplugs all the time? SEE: Do women hear better than men? The reason why men often appear not to be listening could be because they actually can't hear you. Confident smile? » Acidic drinks can harm your kids' smiles The facts on bleaching your teeth Am I taking good care of my teeth? Why are my teeth stained? We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?