From dailymail.co.uk
Millions of people all over the world rely on a morning cup of coffee to kick-start their day.
But a new study suggests just looking at an espresso, cappuccino or latte could give you the pick-me-up you need – even if you do not drink it.
Researchers believe humans associate coffee with ‘arousal’ so strongly that merely seeing a ‘caffeine cue’ is enough to activate areas of our brain that control how alert, awake and attentive we feel.
