We’re no strangers to the aches, cramps and mood swings that roll around every month with the arrival of our periods.

And for some of us, this blessed time of the month can also feel like it’s accompanied by “period brain”, a fun phenomenon in which we feel more forgetful and less able to concentrate thanks to the increase in hormones flooding through our bodies.

Previous scientific studies around “period brain” have suggested that women can be more impulsive and moody before their periods, before becoming more rational once their menstrual cycle has ended.

However, a new group of scientists believe they have found enough evidence to debunk the “period brain” myth once and for all, with the largest study of its kind finding no direct link between periods and cognitive ability.

Science reveals the surprising truth about “period brain”