Why office workers burn off as many calories as their hunter-gatherer forebears

Good news for couch potatoes! Even using mod cons, we burn off as many calories as our hunter-gatherer ancestors | UPDATED: 08:59 GMT, 26 July 2012 It is news that will almost make couch potatoes jump for joy – lack of exercise is not to blame for the obesity crisis.

Just what IS going on in your dog"s head? MRI brain scans offer hope we might soon know what our pets really think of us

Just what IS going on in your dog's head First MRI brain scans let us know what our pets really think of us Two dogs trained to walk into MRI scanner and hold stillBrain's reward centre light ups when signals show they will get a treatShows dogs pay close attention to human signals and languageFurther study will investigate just how much they really understand | UPDATED: 12:22 GMT, 7 May 2012 The dreams of dog-lovers have come true – and a new scan will let them know how their pets REALLY feel about them.

Here"s an incentive to exercise: Women experience orgasms in the gym

Here's an incentive to exercise: Women report experiencing orgasms in the gym Study shows orgasm 'is not necessarily a sexual event' | UPDATED: 17:20 GMT, 19 March 2012 Many women who visit the gym experience a rather unusual side-effect, according to a study about sexual pleasure.

Scientists urge workers to take a turn about the room – every 15 MINUTES

Chained to your desk Workers should take a turn about the room every 20 MINUTES, say scientists Blood sugar levels spiked at a lower level among those who moved around every 20 minutes compared to those who were sedentary Go for a stroll: Walking gets key muscles working again It may seem impossible during a frantic day in the office when you don't ever seem to leave your desk, but scientists say we should take a turn about the room…

Can fasting for two days each week stop dementia? It sounds far-fetched, but scientists think slashing calories may combat a host of illnesses

Can fasting for two days each week stop dementia It sounds far-fetched, but scientists think slashing calories may combat a host of illnesses Fasting was a common medical treatment in the past, but now there may be good reason for it to make a comeback One day in the not-so-distant future, you may find yourself receiving some unusual health advice from your GP: fast two days a week to prevent your brain shrinking with age.

Adverts are to blame! Mouthwatering images of food "fuelling Britain"s obesity epidemic"

Adverts are to blame! Mouthwatering images of food 'fuelling Britain's obesity epidemic' Study on young men reveals their eyes are usually bigger than their stomachs Just looking at a picture of delicious food makes you hungry, experts have discovered. They also claim that the mouthwatering images may be part of the reason for Britain's growing obesity epidemic – and that people trying to lose weight should avoid looking at them. Researchers in Germany have revealed it only takes a picture of tempting food to cause a change in the level of hormones that control our appetite

DNA breakthrough gives vital clue to cause of osteoarthritis

New hope for osteoarthritis sufferers after DNA breakthrough suggests possible cause Osteoarthritis usually develops in people aged 50 plusAbnormally short DNA sequences linked to painful joint disease Scientists believe they are closer to pinpointing the exact cause of osteoarthritis, offering the hope of more effective treatment. A team from the University of Southern Denmark found shortened ends of chromosomes, were linked to the onset of the degenerative disease.