Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Are you drinking your sugar intake? > Health-in-Motion 25 April 2017 Devices like the GPS built into your smartphone or car have revolutionised the way we travel Devices like the GPS built into your smartphone or car have revolutionised the way we travel. Researchers have discovered that these gadgets do such a good job, parts of our brains switch off when we use them. When they asked volunteers to manually navigate through a simulation of central London, brain scans regularly registered spikes of activity in the hippocampus and prefrontal cortex, regions of the brain involved in memory, navigation, planning and decision-making. When simply following GPS instructions, there was no such additional activity. 0 More: Daily Dose: Are you drinking your sugar intake?Health-in-Motion advertisement Other news Fitness 4 reasons your muscles are cramping up Parenting Things you shouldn't say to someone who stutters Sex This is exactly how long the sex ‘afterglow’ lasts, according to science Sex The 10 worst things that could happen to your penis Sex This is how having sex actually makes your brain smarter Fitness Sex, love and bicycles From our sponsors R2000 Skin Renewal online store voucher up for grabs! Dementia and Incontinence: what you need to know 8 strategies for treating both your bladder problems and your depression Live healthier Don't even bother » SEE: When you cough, this is what happens to your body LISTEN: Can you spot the smoker’s cough? 7 cough remedies that definitely don’t work A chronic cough can be the bane of your life. Here are seven cough remedies you shouldn't waste your time with. Be in the know! » How to manage sensitive teeth 5 ways runners mess up their teeth Oral health basics: what you need to know Dr Simon Reeves talks us through the importance of oral health basics. Here’s how to care for your teeth properly.