Last updated on : 28 Apr, 2025
Read time : 9 min
Fasting is defined as not eating for a set amount of time each day. Fasting, however, accomplishes more than that. It also has unexpected health and mental advantages. Intermittent fasting, a new term with an old traditional purpose is being coined and followed in this new-fashioned era.
Many diets concentrate on what you should eat, while fasting is all about when you eat. when you eat only at certain times of the day. Fasting for a set number of hours each day or eating only one meal a few times each week can aid in fat loss.
Intermittent fasting, like a calorie-restricted diet, may help to minimize the risk of diet-related disorders like metabolic syndrome. Obesity, insulin resistance, dyslipidemia, hypertension, and inflammation may all fasting benefits. fasting has been referred to as a trendy diet.
Intermittent fasting has been shown to help people lose weight, improve insulin resistance, and reduce the risk of cardiometabolic disorders, while its long-term effectiveness is unknown.
Intermittent fasting is an eating pattern that cycles between periods of eating and fasting. Unlike traditional diets that focus on what to eat, intermittent fasting focuses on when to eat. The most common methods include the 16:8 approach, where you fast for 16 hours and eat during an 8-hour window, and the 5:2 method, where you eat normally for five days and reduce calorie intake for two. This method may support weight loss, improve metabolism, and enhance overall health.
Intermittent fasting (IF) alternates between periods of eating and fasting. Methods like 16/8 and 5:2 may support weight loss, blood sugar control, and reduce inflammation, with possible benefits for the heart, brain, and ageing. The following are some clinically validated benefits of intermittent fasting.
Your body goes through various changes when you don’t eat for a long time. Physiological changes that occur during fasting include the following:
It makes you consume fewer meals in general. Unless you make up for it by eating significantly more at other meals, you’ll ingest fewer calories. It also helps with weight loss by improving hormone function.
Lower insulin levels, higher HGH levels, and higher norepinephrine (noradrenaline) level all help in fat breakdown and energy usage.
In recent decades, type 2 diabetes has become increasingly frequent. High blood sugar levels in the setting of insulin resistance are the most prominent trait.
Anything that lowers blood sugar levels and protects against type 2 diabetes should be beneficial. Intermittent fasting, it turns out, provides a lot of advantages for insulin resistance, as well as a significant drop in blood sugar levels
One of the causes of ageing and many chronic diseases is oxidative stress.
It entails the use of free radicals, which are unstable chemicals. Other vital molecules, such as protein and DNA, are harmed when free radicals react with them. fasting has been shown that improve the body’s oxidative stress resistance.
Intermittent fasting has also been shown in studies to help reduce inflammation, which is a major cause of many diseases.
Several health markers (also known as “risk factors”) have been linked to a higher or lower risk of heart disease.
Many distinct risk factors have been proven to improve with intermittent fasting, including:
When we fast, our cells go through a process known as autophagy, which is a cellular “waste elimination.” The cells do this by breaking down and metabolizing damaged and malfunctioning proteins that have accumulated inside the cells over time.
Increased autophagy may protect against cancer and neurological illnesses like Alzheimer’s disease.
Fasting has been found to have several metabolic benefits, including lower cancer risk.
Intermittent fasting or diets that resemble fasting may help prevent cancer, according to promising animal research. Similar outcomes have been found in human research, albeit additional research is required. Fasting has also been shown to lower the severity of several chemotherapy adverse effects in people.
This is a weight-loss diet regimen. It’s a well-known fact that eating less will save you from becoming sick. Intermittent fasting aids with meal planning, allowing you to reap the greatest health benefits. This diet has the same calorie consumption as a weight-loss plan.
I understand that you cannot change your diet plan on the spur of the moment, but several strategies can assist you. As a result, there is some movement from a regular diet to an irregular diet. This pattern can be changed till you attain your desired diet goal.
If you’re not sure about intermittent fasting because it’s a new concept for you. It is possible to fast once a month. You must fast for 24 hours once a month to participate. This will assist you in breaking through the fasting mental barrier.
You must fast after a week using this strategy. You can eat normally and then go on a 24-hour fast if you’re weak. It’s also possible to skip two meals. This will not help you lose weight, but it will help you bulk up or keep your current weight. It will prepare your body to fast regularly.
This fasting strategy requires you to have a proper meal for one day. The next day, you must only have one meal and then fast for the rest of the day. This step will have to be repeated. It aids in the loss of weight.
This requires 8 hours of eating followed by 16 hours of fasting. You can begin your 8-hour eating session whenever you like. You must educate your body to consume larger meals and then fast.
Intermittent fasting is the ideal type of fasting for weight loss since it allows you to eat whatever you want but on a set timetable. According to studies, your body can go for hours or even days without eating. You may not be eating properly, which you might blame on your fast-paced lifestyle in our technologically evolved world! After dinner, or even after midnight, you may find yourself bingeing on snacks and processed meals. Apart from obesity, lack of physical exercise and increased calorie intake can lead to heart disease, obesity, and a variety of other conditions.
It can help you stay healthy by addressing all of these difficulties. While there are a variety of approaches, be consistent and stick to the same eating plan. Stick to the same schedule until you’re familiar with the whole process before expanding your fasting window.
When you fast for an extended period, your body goes into starvation mode. This indicates that your body’s sugar supplies have been depleted, and it has begun to burn fat for energy. Metabolic switching is another name for this process. This is why abdominal fat is substantially reduced during intermittent fasting. As the time between meals gets longer, your body begins to burn fat reserves more quickly. The autophagy process is also aided by fasting. Your body removes waste materials during this procedure. This occurs only when the liver’s glycogen supplies are low.
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Popular methods of intermittent fasting include the 16:8 method, where one fasts for 16 hours and eats within an 8-hour window, and the 5:2 method, involving two low-calorie days per week.
Fasting for 16 hours may offer more pronounced health benefits like improved insulin sensitivity and fat burning. However, a 12-hour fast is more manageable for beginners and can still support metabolic health when done consistently.
After one month of intermittent fasting, you may experience weight loss, reduced bloating, better digestion, and improved energy levels. Some may also notice clearer skin and improved mental clarity, although individual results can vary depending on diet and routine.
Some disadvantages of intermittent fasting include irritability, low energy during fasting hours, and difficulty maintaining social eating patterns. It can also lead to overeating during eating windows or nutrient deficiencies if not planned properly.
Yes, intermittent fasting is not be suitable for pregnant women, people with eating disorders, or those with certain medical conditions. It can also cause headaches, dizziness, or fatigue if hydration and nutrition are not managed well.
Most people find it easiest to skip breakfast, starting their eating window around midday. However, it depends on personal lifestyle. Some prefer to skip dinner and stop eating earlier in the day.
A full intermittent fasting plan includes choosing a fasting method (like 16:8), staying hydrated, consuming nutrient-rich meals during eating windows, avoiding sugary snacks, and adjusting based on your goals, activity level, and overall health.
Disclaimer
Our healthcare experts have carefully reviewed and compiled the information presented here to ensure accuracy and trustworthiness. It is important to note that this information serves as a general overview of the topic and is for informational purposes only. It is not intended to diagnose, prevent, or cure any health problem. This page does not establish a doctor-patient relationship, nor does it replace the advice or consultation of a registered medical practitioner. We recommend seeking guidance from your registered medical practitioner for any questions or concerns regarding your medical condition.
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