A US magazine recently published an article about intermittent fasting. Particularly fashionable at the moment, this practice is the subject of mixed opinions. The publication mentions various negative effects such as dizziness, difficulty concentrating and impaired sleep.
In 2019, we defined intermittent fasting, a type of eating practice that involves alternating periods of fasting with periods of normal eating. The followers aspire to return to a more natural rhythm for the body . According to French naturopath Romain Vicente, the digestive system needs rest. The interested party recalled, for example, that during prehistory, humans did not eat three meals a day as is the case today.
Reducing calorie intake, limiting weight gain and body fat, these are the virtues attributed to intermittent fasting. However, an article published by the New York magazine Newsweek October 18, 2020 discusses five reasons not to try this practice. For the author, it is not certain that intermittent fasting works in the long term.
You should know that opinions differ regarding intermittent fasting. Some studies believe that it reduces the risk of waking up in the middle of the night, others indicate the opposite. This practice would disturb sleep and cause some individuals to experience non-restorative nights . Some research suggests a decrease in REM sleep time. However, it improves memory, mood and learning abilities. Lack of sleep can impact health and work, so it would be wise to fix several snacks a day – between 3 and 5 – rather than fasting. By preventing the urge to snack in the middle of the night , the quality of sleep is improved.
Intermittent fasting could also be a source of decreased vitality and alertness . Indeed, the body would not consume enough calories during this period. The practice can cause dizziness, concentration problems as well as fatigue concerns. In case of stun, it becomes essential to recharge your energy with a snack.
The promise of rapid weight loss is the main reason some people practice intermittent fasting. Nevertheless, our metabolism is complex, so that other undesirable effects can be felt. For example, a loss of musculature or a degradation of physical appearance. Indeed, there are risks of appearing older, more frail and in poor health. Going without food for a long time can also contribute to an increase in cortisol levels, and therefore stress. However, a high level of cortisol is often synonymous with fat storage, explaining the presence of a risk of yo-yo effect.
