Time for a brew: How a cup of tea can perk up your brain activity in just 30 minutes
http://www.dailymail.co.uk/health/article-3064929/Time-brew-cup-tea-perk-brain-30-minutes.html
http://www.dailymail.co.uk/health/article-3064929/Time-brew-cup-tea-perk-brain-30-minutes.html