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 01 November 2016 Our memories tend to become increasingly hazy as we get older. Our memories tend to become increasingly hazy as we get older, perhaps because our brains naturally start shrinking from the age of 40. The exceptions are what researchers are calling ‘superagers’. These folks are genetically predisposed to retaining a good memory even at an advanced age. To qualify, you have to be older than 80 and perform as well as 55-year-old in memory tests. Using MRI scans, scientists have discovered that their brains shrink by an average of only 0.8 per cent compared to the normal rate of around 2 per cent. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Lifestyle Should you sleep with a tampon in overnight? Medical Walking linked to lower heart failure in older women Medical Lactose intolerant? Here are a few alternatives to dairy Medical ‘I’m four years old and I have cancer’ Medical Exercise doesn't affect timing of menopause Medical What should you do about that persistent cough? 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.