Many of us usually forget some things, we do not remember anything of what we studied at the time of giving an exam, we ignore the points we had to expose in front of the class, among others. Do you know what the reason for forgetting is? A study was conducted in 2010, which found that chronic stress reduces memory. We can forget, a date, the supermarket list, the location of a local locksmith, a meeting, etc.Having low levels of anxiety can affect your retention, however, when you are in a state of great fear, it can strengthen the learning process, according to the study. According to neuroscientists at the University of California at Berkeley, chronic stress modifies our brain in the long term. In this way increases the growth of white matter that helps in sending messages in our brain, but reduces the number of neurons that process information. If we forget the keys, the consequences are not so dangerous if we have local locksmiths. But if we can’t remember our partner’s birthday, the problem may be higher.For that reason, it makes you more vulnerable to mental illness and affects the brain’s ability to communicate. Chronic stress can cause many difficulties in learning, anxiety, and behavior. It is important to perform exercises, practice yoga, sleep properly, eat healthily, so you are less likely to suffer from it badly.It is due to various factors. On the one hand, the brain removes some of the information it receives and does so during sleep. Forgetting is a normal function of the brain system, if it did not, it would be overloaded, which would weaken the understanding. Other causes? The lack of attention. We try to think, look, talk, work and answer WhatsApp at the same time.Be aware of everything or try to be multitasking, a productive system increasingly sold and recurrent, subtract concentration. The consequence? We can leave the keys, the cell phone or any other object …, not record an appointment, skip an important call … not because of a dementia problem, but because we have passed from one task to another unconsciously and the brain is unable to register or recover the process.