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Research shows that it might be helpful to track the food that you eat and exercise that you do in a day to help you lose weight. Both written and electronic tools can help.
Intermittent fasting is when you alternate days of eating a lot and eating a little, or when you do not eat for 12 to 15 hours a day. Intermittent fasting might help you lose weight, but could cause problems for people with certain health conditions or medications.
Changing your diet to eat less calories seems to cause weight loss more effectively than doing exercise. Both are important parts of weight loss. Do not drastically reduce the amount of food that you are eating.