Is intermittent fasting appropriate for everyone?

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• Mar 28, 2023 | Kabir Chakraborty

Digital Desk: To do or not to do is the question when it comes to one of the most discussed diet patterns, intermittent fasting, in which one can eat at regular intervals and fast at other times. The popular diet technique that does not restrict what one eats is known to aid in the management of certain health issues related to weight and lifestyle. But can it be followed by everyone?

Intermittent fasting is considered safe for many people, but it is not for everyone, according to Mayoclinic.org. It points out that skipping meals may not be the best way to lose weight if you're pregnant or breastfeeding, have kidney stones, gastroesophageal reflux, diabetes, or other medical issues.

As such, we reached out to experts to learn more about it.

"While it is safe for most people, it is not for everyone," said registered dietitian Garima Goyal. "So, if you want to try intermittent fasting as an option, consult a health professional first." "This type of fasting can be disastrous for some segments of the population," Goyal told indianexpress.com.

So, who is it not for?

• Skipping meals is not recommended if you are pregnant or breastfeeding. 

• If a person has a history of low blood sugar levels, whether diabetic or not, intermittent fasting is not for them because the fasting period can worsen the hypoglycemia stage. This can cause dizziness and even unconsciousness. Furthermore, low blood sugar levels can set off a chain of events that includes the release of the stress hormone cortisol, which causes the autoimmune condition Hashimoto's thyroiditis by interfering with the thyroid gland's function.

• Children should avoid such a diet plan because they are still growing. Those who have a history of eating disorders, such as bulimia nervosa or anorexia, should avoid IF because it may exacerbate their micronutrient deficiency. In such people, a restrictive eating pattern can lead to a disordered eating pattern.

• Those who have trouble sleeping should avoid it at all costs, as if their last meal is hours before their bedtime, they may struggle to sleep. And without enough sleep, the body cannot heal and repair properly.

• Those who engage in strenuous exercise should avoid this type of diet. A heavy workout necessitates a recovery meal within 1-2 hours of the workout, as well as regular meals every 3-4 hours to replenish glycogen stores and replenish muscles.

• Those who work night shifts or have an irregular work schedule should avoid intermittent fasting because it can cause headaches, mood swings, and even lack of concentration.

• People with chronic illnesses, such as cancer, who are recovering from it or have recently recovered, should avoid such diets because they require adequate calories and nutrients to maintain a healthy immune system. 

“However, if done under expert supervision, people with hormonal issues such as hypothyroidism, perimenopausal or PCOS, can benefit from it, too,” Goyal concluded.