Researchers from Mount Sinai Hospital, New York, found the brains of mouse bullies activated a reward synapse when they showed aggression to weaker mice
Just 38 per cent of modern-day teenagers have drunk alcohol, compared to 62 per cent in 1988
'Although other studies have offered evidence that cannabinoids might be neuroprotective against the symptoms of Alzheimer's, we believe our study is the first to demonstrate that cannabinoids affect both inflammation and amyloid beta accumulation in nerve cells'
The study also found that women are more likely to do most of the housework in heterosexual couples than their male partners are, even when they work longer hours and earn more
'We found that this disruption of the reward system correlates with the number of problems, such as family issues, individuals have because of their marijuana use. Continued marijuana use despite these problems is an indicator of marijuana dependence'
Mitochondrial replacement therapy means that babies inherit genes from a father and two mothers, by replacing faulty DNA in a woman's egg with healthy DNA of another
Archerfish have been trained to select the right face from a range of different images ‒ by spitting water at them
It is hoped findings could improve quality of life for those with condition
Prostate cancer is the most common form of cancer for men in the UK and is thought to be responsible for 10,000 deaths annually
Lack of transparency raises concerns that ministers and officials are quietly ‘burying’ research that they do not agree with
The condition is prompting serious concerns from health officials
Scientists hope using dogs could revolutionise how malaria is detected, enabling doctors to identify it quickly and without invasive tests
The scheme reportedly costs £1 billion per year and was introduced by Labour under Tony Blair's premiership
'This is the first time in the UK and even in the world that a survey has gone right down the supply chain'
'Pretty much all the pilots we tested fall prey to these biases'
Researchers believe complementary therapy use in breast cancer sufferers has increased in the last twenty years