The benefits of the cooked food are less than the raw food. If you are not habituated with the raw food than you can gradually shift it from cooked food to raw food. Once you are use too with the raw food than you can gradually increase the contain of the raw food in your diet. The person who abused by consuming with deleterious substances is obviously going to have a heavier detoxification
It takes time for the body to get habituated with the detoxification effects in raw food. The body system can adjust the raw food substances once it consume on the daily bases. It is better you can gradually increase the consumption of food.