A new study has pinpointed the 'sweet spot' for staying awake throughout the day without the negative consequences. Using health data from nearly 500,000 people, researchers in China measured each person's average daily coffee consumption and if they had been diagnosed with a mood disorder, such as depression, or stress-related disorders, such as anxiety and post-traumatic stress disorder (PTSD).
The team found that people drinking two to three cups of coffee per day were at the lowest risk of mood- or stress-related disorders. This was true for regularly caffeinated, instant and decaffeinated coffee, suggesting the protective effect rests in the coffee itself rather than caffeine.
Surprisingly, people who drank less coffee had no measurable mental health advantages or improvements over the group who stuck to two to three cups. Additionally, the study showed people who regularly drank more than three cups of coffee in a day were at a greater risk of disorders such as depression, anxiety and acute stress disorder.
The one thing the study didn't study? How differences in height and weight effect the effects. So, that being said, what value does that study really have?
I swear I gotta get in to this 'study' business...
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