A coffee hit might be more commonly associated with increased alertness, but a new study shows that it could also help lower the risks of developing anxiety and depression – and there's actually a sweet spot when it comes to how much to drink to get the best effect.
How much is a cup? Is it the cooking unit equivalent to 250ml or is it a colloquial “cup” that could be anything from the size of a thimble to the size of your head?
If you’re going to report on a study about “how much is optimal” can you at least be clear on the units?