Researchers found that caffeine blocks alcohol’s ability to increase dopamine in brain reward areas, potentially reducing ...

Introduction It has been shown that caffeine promotes vigilance, attention, mood and arousal 5. The potential mechanisms of caffeine’s action include its role as an adenosine receptor antagonist that ...

Could a caffeine holiday help supercharge your daily brew? Here's why caffeine cycling is the latest health craze – and how ...

“Caffeine blocks adenosine receptors which promote sleep, which then increases production of dopamine, noradrenaline and glutamate - these are all neurotransmitters that play a role in cognitive ...

Picture this: you're feeling sluggish, like you've got a cosy adenosine (a chemical compound that induces sleep) blanket trying to put you to sleep. Here's where caffeine swoops in like a superhero.

Excessive caffeine consumption blocks receptors for sleep-regulating hormones like adenosine and melatonin. Experts recommend abstaining from caffeine approximately six hours before bedtime to secure ...

This allows caffeine to fit into adenosine receptors in the brain, blocking and preventing the feeling of fatigue. “Caffeine is a stimulant,” Dr Athwal explains. “It increases the ...

Scientists think this helps us get to bed at night. Caffeine hijacks this natural process by mimicking adenosine in the brain. It latches onto the receptors designed for adenosine, pushing them ...