I have failed in an exam before, and I used to be...

Anxiety and fear of exams are feelings that most students feel, but there is positive anxiety and negative one. Positive anxiety is stress and anxiety to get high marks and do the exam paper without making it difficult, while negative anxiety is the inability to do the exam and forget the learnt material
Exam anxiety may cause tension and inability to concentrate and thus forget information and scientific material and may cause some physical disorders such as headache and stomach pain.
You can help yourself and try to control anxiety by transforming it from negative to positive anxiety in order to increase motivation for science and education.
Have the self-confidence and determination to overcome the problem, study, focus and determine to excel and succeed
Preservation, study and storage of information in the correct way, and the arrangement and organization of time and material learned is important, understand and preserve together so that the saved information lasts
Do not compare yourself to others, but built yourself a structure of your own, define your goal and plan to reach it successfully, prepare yourself well for the exam and do not be afraid or worry
Keep negative thoughts away from you and replace them with positive thoughts, and know that the exam is a normal and natural situation, just like normal life situations, so the more you are prepared and interested in it, the better the achievement
Stay away from the things that cause you stress, thinking, and entanglement of ideas, and focus only on studies and exams
Eating foods that stimulate memory and stimulate them, such as sugars, avoid stimulants, drink more water, reduce staying up late, and focus on studying in the morning hours.
Exercising during exams and committing to physical rest, adequate sleep and proper nutrition
Go to the exam while you are ready and relaxed, eat your breakfast and repeat the exams, start by solving easy and then difficult questions, focus on questions and do not get distracted in something else
After the exam, do not review the questions and answers, but talk to your friends, chat with them, change your thinking and your mood, and forget the exam until you prepare for the exam that follows it