What is Intermittent Fasting?

What is Intermittent Fasting?

What is Intermittent Fasting? Fasting intermittently is an eating pattern that cycles between periods of fasting and eating. Unlike traditional diets that focus on what to eat, fasting intermittently concentrates on when to eat. There are various forms of this fasting, but the most common ones include:

1. 16/8 Method: This method involves fasting for 16 hours and restricting your eating window to 8 hours. You can choose any 8-hour period that suits your schedule, such as eating from 12 pm to 8 pm and fasting from 8 pm to 12 pm the next day.

2. 5:2 Diet: With this method, you eat normally for five days of the week and restrict your calorie intake to 500-600 calories for the other two days. However, this method may not be suitable for everyone, so consult your doctor before trying it.

3. Alternate-Day Fasting: As the name suggests, this method involves fasting every other day. On fasting days, you either consume no calories or limit your intake to 500 calories.

Benefits of Intermittent Fasting

1. Weight Loss: Intermittent fasting can be an effective tool for weight loss. By restricting the eating window, it helps to reduce calorie intake and can lead to a calorie deficit, which is essential for weight loss. It may also help to increase metabolism and fat burning.

2. Improved Insulin Sensitivity: Intermittent fasting can enhance insulin sensitivity, which is crucial for managing blood sugar levels. It may reduce the risk of type 2 diabetes and improve overall metabolic health.

3. Reduced Inflammation: Studies have shown that intermittent fasting may help reduce inflammation in the body, which can contribute to various chronic diseases, including heart disease and cancer.

4. Brain Health: Intermittent fasting has been found to promote the growth of new nerve cells and enhance brain health. It may improve cognitive function and protect against neurodegenerative diseases like Alzheimer’s.

5. Longevity: Some animal studies have suggested that intermittent fasting can increase lifespan. While more research is needed in humans, it’s an intriguing area of study.

Tips for Intermittent Fasting

1. Stay Hydrated: Drink plenty of water during fasting periods to stay hydrated and help curb hunger.

2. Listen to Your Body: If you feel unwell or experience extreme hunger during fasting, listen to your body and consider adjusting your fasting schedule or consulting a healthcare professional.

3. Eat Nutrient-Dense Foods: When breaking your fast, focus on consuming nutritious, whole foods to fuel your body.

4. Be Consistent: Consistency is key when it comes to intermittent fasting. Stick to your chosen fasting schedule to see the best results.

Remember, intermittent fasting may not be suitable for everyone, so it’s important to consult your doctor or a registered dietitian before starting any new eating pattern.

References for further reading

Here are ten reputable sources for an article on intermittent fasting:

  1. Mayo Clinic – This article discusses the methods, benefits, and potential risks of intermittent fasting, including different fasting schedules and the impact on health. It highlights short-term benefits such as ketosis, decreased inflammation, and improved blood sugar regulation, while noting the lack of long-term studies on its safety​ (Mayo Clinic News Network)​​ (Mayo Clinic)​.
  2. Healthline – Healthline provides a detailed overview of intermittent fasting, including various types, potential health benefits like weight loss and improved metabolic health, and possible side effects such as headaches, digestive issues, and hunger​ (Mayo Clinic)​.
  3. Johns Hopkins Medicine – This source explores how intermittent fasting works, its benefits on physical and mental health, and the importance of adjusting gradually to fasting routines. It highlights research showing improved heart health, cognitive function, and weight loss through intermittent fasting​ (Home)​.
  4. Harvard Health – Harvard Health discusses the side effects of fasting, including the potential for overeating, metabolic imbalances, and risks for older adults and those on certain medications. It emphasizes the need for medical consultation before starting intermittent fasting​ (Harvard Health)​.
  5. Medical News Today – This article covers the science behind this fasting, including its effects on health, aging, and disease prevention. It reviews studies on how intermittent fasting can reduce the risk of chronic diseases like type 2 diabetes and cardiovascular disease​ (Mayo Clinic)​.
  6. MindBodyGreen – MindBodyGreen provides a holistic view of intermittent fasting, discussing its impact on gut health, inflammation, and metabolic syndrome. It also addresses the importance of choosing the right fasting method for individual health needs​ (Mayo Clinic News Network)​.
  7. Trifecta Nutrition – This source outlines the benefits and potential risks of fasting intermittently, focusing on weight management, improved blood glucose levels, and decreased inflammation. It also discusses the importance of maintaining a balanced diet during non-fasting periods​ (Mayo Clinic)​.
  8. HealthCentral – HealthCentral examines both the pros and cons of fasting, offering insights into its effectiveness for weight loss and its impact on chronic health conditions. It highlights the importance of personalized dietary approaches​ (Mayo Clinic)​.
  9. Hopkins Medicine – An in-depth look at intermittent fasting’s mechanisms, benefits, and the adjustment period needed for the body. The article discusses its impact on metabolic processes, fat loss, and overall health improvements​ (Home)​.
  10. Harvard Health Publishing – This source provides practical tips for minimizing the side effects of intermittent fasting and ensuring safe practice, particularly for individuals with specific health conditions or those taking medication​ (Harvard Health)​.

These references offer a comprehensive overview of intermittent fasting, including its potential health benefits, risks, and practical guidelines for safe implementation.


  • Sylvanus

    Jumping into the turbulent waters of radio right after national service in 2001 was enough to get me hooked unto health issues. My first love was everything HIV, then Kidney Disease..... It is about health, call me..... the rest is what you see here

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