It is a way of detoxifying the body, practiced by most cultures since time immemorial. It is often practised for religious purposes, because religious beliefs support the effort of willpower involved and because a purification of the soul is always linked to that of the body. The great benefit of fasting is to rest the digestive system, which thus 'recovers'. This is why fasting should be practised regularly, ideally once a month, lasting from 36 hours to three days.
The minimum time for a fast is two nights and one day, and the maximum - without medical supervision - three days. After this time, weakness, deficiencies and side-effects can occur, which need to be known in order to be contained. In principle, one should only drink water and herbal teas; some people prefer to drink fruit and vegetable juices, which diminishes the effectiveness of fasting. But under no circumstances should we drink stimulants: coffee, tea, alcohol, which contain toxins.
On the first day of fasting nothing special happens, apart from a feeling of hunger, which we combat by drinking liquids.
On the second day, the hunger disappears and the elimination of toxins begins, which results in a heavy tongue and unpleasant mouth odour. This continues into the third day, sometimes accompanied by headaches.
Relaxing your diet should be done proactively, over a period equivalent to half the fasting time: start by drinking liquids, soups, fruit or vegetable juices, eat mashed potatoes and allow at least one day to pass before eating proteins, meat, eggs, cereals. It is sometimes advisable to accompany the fast with three days of enema, which should never be done with tap water, which can cause vomiting and fainting: you should use a solution of sterilised, salted water or a special preparation that can be bought at the chemist's, and in case of intestinal illness or haemorrhoids, ask your doctor's advice.
A short fast is much easier to keep than some people imagine and does not involve staying in bed or stopping work. On the contrary, it is often easier to occupy your mind with other things. However, it is better not to have occupations that require a lot of concentration.
The only contraindications are tuberculosis, diabetes and kidney failure, and as a general rule it is better to fast when you feel strong and in full health.
For those who really don't have the courage not to eat anything for three days, some detoxification can be achieved by fruit diets, during which only one fruit is eaten, in any quantity, for several days. The most effective is fresh pineapple, because it is very fibrous and juicy; three days of pineapple can lead to the loss of 2 kg. and, thanks to its diuretic and laxative action, to cleansing the body. Apple and melon are equally valid, grapes are quite laxative but too sweet to generate intense weight loss.
A fast always leads to slimming, but you must take into account the recovery, after resuming eating, of half the weight lost.
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