What is Intermittent Fasting?
Benefits and Tips

20 July 2024
By User

*The following article is for informational purposes only and is not intended to replace the professional opinion of a health care professional. For any decision related to your wellness and lifestyle habits, always seek the advice of your doctor.

Have you been feeling tired, heavy, or bloated lately? Do you think you need to lose weight? Intermittent fasting might help. 

Intermittent fasting is a nutritional method that has become popular in recent years, and many people have decided to try this strategy to improve their well-being and physical condition. 

In this article, we will explain intermittent fasting, its potential benefits, how it is done, and, most importantly, provide you with essential safety tips. The information we share is based on recent research, and we strongly advise you to consult your trusted physician about your specific needs. Remember, at Vidamax Medical Center, we are committed to your safety and well-being.

What Is Intermittent Fasting?


First, you need to know that intermittent fasting is a nutritional strategy involving alternating eating cycles with fasting periods. Unlike traditional diets that focus on what to eat, intermittent fasting focuses on when to eat. Now, we’re sure you’re wondering: Can anyone do intermittent fasting? The answer is no. Although it is a safe method, according to recent scientific studies, it may be contraindicated for some people. 

What Is Intermittent Fasting?


First, you need to know that intermittent fasting is a nutritional strategy involving alternating eating cycles with fasting periods. Unlike traditional diets that focus on what to eat, intermittent fasting focuses on when to eat. Now, we’re sure you’re wondering: Can anyone do intermittent fasting? The answer is no. Although it is a safe method, according to recent scientific studies, it may be contraindicated for some people. 

Who can do intermittent fasting?

Intermittent fasting is generally safe for most healthy adults. However, it is important to consult with a healthcare professional before beginning any new eating plan, especially if you have any pre-existing medical conditions. 

Intermittent Fasting Benefits

This nutritional strategy offers different benefits for healthy adults. According to Dr. Jason Fung, a Canadian nephrologist and recognized expert in the field of fasting, some of them are weight loss, reduced inflammation, improved insulin sensitivity, heart health and brain function. In addition, some studies, such as one published in Elsevier’s Ageing Research Reviews, suggest that intermittent fasting may help increase life expectancy by reducing the risk of age-related chronic diseases. 

How Do You Know if Intermittent Fasting
Is Right for You?

Before starting intermittent fasting, it is important to determine if it is right for you and your health. Consider the following factors:

General
Health:

If you have any pre-existing medical conditions, consult your doctor before starting a new eating plan.

Lifestyle:
 
Lifestyle: 

If you have an irregular schedule or work shifts, you may need help to follow a strict intermittent fasting plan.

Your Personal
Preferences:

Intermittent fasting may require changes in your eating habits, so you must be ready to make these changes.

Intermittent Fasting Methods

Many people may be hesitant to try intermittent fasting because of the long periods of time without food. Are you one of them? Relax! There are several methods of intermittent fasting, each with its advantages and disadvantages. These are the most popular:

  • 16/8 Method: This method involves fasting for 16 hours and eating for 8 hours of the day. It is one of the simplest and most effective methods for beginners.
  • 5:2 Method: This method offers a unique flexibility, allowing you to choose two non-consecutive days per week for fasting while eating normally on the other five days. It is a great option for those who prefer a more adaptable approach to fasting.
  • 24-Hour Fasting: This method involves fasting for 24 hours once a week. It is more challenging but may offer more significant health benefits.
  • Alternate-Day Fasting: This method requires fasting every other day. It is less common but can be effective for some people.
Choosing the intermittent fasting method that best suits your lifestyle and preferences is essential. If you are unsure which method to choose, consult with your primary care physician for their recommendation.

How Long Can Intermittent Fasting Be Done?

There is no single answer to this question, as the ideal duration of intermittent fasting depends on several factors, such as your health condition, lifestyle and goals. 

Most people can safely do intermittent fasting for extended periods, such as months or years. However, starting slowly and gradually increasing the length of your fasts is recommended as your body adapts.

If you have any pre-existing medical conditions, you should talk to your doctor before starting intermittent fasting. This specialist can help you determine if intermittent fasting is safe and recommend a personalized plan.

Contraindications for Intermittent Fasting

Intermittent fasting is generally safe for most healthy adults but is contraindicated for: 

  • Pregnant or breastfeeding women
  • Children and adolescents
  • People with eating disorders
  • People with type 1 diabetes or hypoglycemia
  • People with kidney or liver disease
  • Persons with an immunosuppressed system

For pregnant or lactating women, fasting can deprive the fetus or baby of nutrients essential for its development. In addition, it can reduce breast milk production and negatively affect the mother’s health.

Children and adolescents also cannot do intermittent fasting because they are at a crucial stage of growth and development and need regular nutrient intake for proper development. For patients with eating disorders, this practice could exacerbate symptoms of anorexia nervosa or bulimia nervosa and trigger unhealthy eating behaviors or hinder recovery.

In people with hypoglycemia or type 1 diabetes, fasting can cause dangerous drops in blood sugar levels, so it is not the best option for them. Another adverse effect of fasting is that it can overload the kidneys and liver and worsen their functions, so it is also not recommended for patients with kidney or liver disease. Finally, fasting can further weaken the immune system, and immunosuppressed people may be more susceptible to infections and diseases.

If you have one or more of these conditions, intermittent fasting is not for you. It is best to consult your family doctor to advise you on the diet to follow according to your health condition.

Tips for Safe and Effective Intermittent Fasting

If you are thinking about starting intermittent fasting, do it safely and effectively. Here are some tips to keep in mind:

  1. Start Slowly: For those new to intermittent fasting, it’s crucial to begin with short fasts and gradually extend the duration as your body becomes accustomed. This approach minimizes the risk of potential adverse effects.
  2. Listen to Your Body: It’s important to heed your body’s signals during intermittent fasting. If you experience dizziness, weakness, or excessive hunger, it’s a sign to break your fast to prevent potential health issues.
  3. Stay Hydrated: Drink plenty of water and calorie-free fluids during fasting periods.
  4. Choose Healthy Foods: Opt for nutritious, fiber-rich foods during feeding periods.
  5. Engage in Regular Physical Activity: Exercise can help enhance the benefits of intermittent fasting.
  6. Get Enough Sleep: Adequate sleep is important for overall health and can help regulate appetite hormones.
  7. Ask your doctor: If you are healthy or have any pre-existing medical conditions, ask your doctor before starting intermittent fasting. At Vidamax Medical Center, our primary medicine specialists can guide you through the process.

Intermittent fasting is a nutritional strategy with the potential to improve health and wellness. While its benefits are promising, from weight loss to improved brain function, it’s important to remember that it can be done safely and responsibly. Any decisions related to your health, habits, and lifestyle changes should be made in consultation with your primary care physician. He/she will know what is best for you based on your medical history and needs, ensuring your safety and well-being. 

At Vidamax Medical Center, we have primary medicine professionals who can help you with this transition and change of eating habits. Before choosing intermittent fasting, be sure to evaluate your health status, lifestyle and personal preferences. This way, you will know which plan to follow, guided by a professional who will always guarantee your well-being. Your health will thank you! Contact us, and let’s start on the road to a healthier and more conscious diet for your body.