It's been a stressful year, and for 61% of US adults, a year of unwanted weight change too. This isn't surprising, as stress, eating and motivation are all linked through hormones in the brain.
New research demonstrates that it is more difficult to learn something new if the information had been rewarded in the past. In fact, the higher the reward, the worse the future learning.
Parkinson's disease may be diagnosed by looking for subtle changes in eye movements and thinning of retina layers.
Excessive screen use has been linked to addictive behaviours, changes in mood, increased stress and difficulty sleeping - here's how to take a break.
Feeling desperate for a hug? You're not alone. Research suggests positive physical touch benefits our mental health.
Dopamine fasting has fast become a fad in the Silicon Valley, as a way to reset the brain's feel-good chemical. Many religions have advocated fasting for some of the same reasons.
Ozzy Osbourne, famous for biting heads off bats, heavy metal music and a reality TV show, announced he has Parkinson's disease. A Parkinson's specialist explains the disease and recent advances.
There are more efficient ways to stop addictions than fasting from rewards.
We fall sway to fake news because it grabs our attention through outlandish claims, suggests false memories and contains appeals to our emotions that align with our politics.
Sugar triggers dopamine "hits" in the brain, making us crave more of it. Sugar also disrupts memory formation.
About one in six people who take the most common medication for Parkinson's disease will develop addictive behaviours. We found whether this happens depends on a person's unique brain structure.
Parkinson's disease is twice as common in men than in women. A sex gene called SRY, found only in men, could go some way to explaining this – and might pave the way for potential treatments.
New study challenges traditional view of Parkinson's disease.
Decades of work with lab rats lead to suggestions on how to stay grounded in the here and now, with benefits for brain health.
Research shows that THC and CBD in cannabis have potential to interrupt the vicious cycle of opioid addiction, dependence, withdrawal and relapse.
Some women get the blues when they breastfeed. Researchers believe the causes might be physiological, not psychological.
When you engage in recreational gambling, you're not simply playing against the odds – you're battling an enemy trained in the art of deceit and subterfuge who uses human nature against you.
University course designers are harnessing the addictive quality of video games to develop 'Serious educational games' that engage and motivate students.
Why do some people love roller coasters while others hate them?
Unravelling the story of how a simple neurotransmitter led to the development of a drug for Parkinson's disease.