So grab a bottle of whisky, put your feet up with a burger and read this:

Think back to your most productive workday in the past week. Now ask yourself: On that afternoon, what did you have for lunch?

When we think about the factors that contribute to workplace performance, we rarely give much consideration to food. For those of us battling to stay on top of emails, meetings, and deadlines, food is simply fuel.

But as it turns out, this analogy is misleading. The foods we eat affect us more than we realize. With fuel, you can reliably expect the same performance from your car no matter what brand of unleaded you put in your tank. Food is different. Imagine a world where filling up at Mobil meant avoiding all traffic and using BP meant driving no faster than 20 miles an hour. Would you then be so cavalier about where you purchased your gas?

Food has a direct impact on our cognitive performance, which is why a poor decision at lunch can derail an entire afternoon.

What You Eat Affects Your Productivity – Ron Friedman, Harvard Business Review (17 October 2014

Read the full piece.