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Feb 05 2024

Pros and Cons of Intermittent Fasting

February 5, 2024  /   Nutrition  /   5-minute read

Ready to jump on the fasting hype train? Hold up! Let’s weigh the pros and cons of intermittent fasting (IF) first. It’s been hailed as a cure-all, promising everything from shedding pounds to boosting brain power. But here’s the thing: what works wonders for someone else might not be your cup of tea. So, let’s dive into this trend and see if it’s the right fit for you.

What is intermittent fasting?

Before diving into the specifics, let’s define our terms. Intermittent fasting refers to cycling between periods of eating and fasting. Unlike traditional diets that focus on what you eat, IF emphasizes when you eat. There are various IF protocols, but some popular ones include:

  • 16/8 method: Fasting for 16 hours and eating within an 8-hour window (e.g., skipping breakfast and eating between noon and 8 pm).
  • 5:2 method: Eating normally for five days and restricting calories to 500-600 on two non-consecutive days.
  • Eat Stop Eat: Fasting for 24 hours once or twice a week.
  • Alternate-day method: Fasting every other day. On fasting days, some people choose to consume a small number of calories (around 500), while others prefer a complete fast.
  • The Warrior Diet: Fasting for 20 hours each day and eating a large meal at night within a four-hour window.

Potential benefits of intermittent fasting

  • Decreased inflammation: Chronic inflammation is linked to various diseases. Research suggests IF might dampen inflammation, contributing to overall health.
  • Enhanced brain health: Some studies indicate IF may benefit cognitive function and protect against neurodegenerative diseases, though research is still being conducted to confirm.

“While the potential benefits of intermittent fasting are exciting, it’s important to remember that it’s not a one-size-fits-all approach. Before embarking on any fasting regimen, consult with your provider to ensure it’s safe and appropriate for your individual needs and health conditions.”

~ Melissa Merrick, RD, LD

Potential drawbacks of intermittent fasting

  • Side effects: Especially in the initial stages, fasting can induce hunger, fatigue, headaches, and irritability. These symptoms often subside over time, but consult your provider if they persist or become severe.
  • Not for everyone: Pregnant or breastfeeding women, individuals with eating disorders, certain medical conditions, and people taking specific medications should generally avoid IF or consult their provider first.
  • Sustainability: While some find IF easily adaptable, others struggle with the restrictions and find it unsustainable long-term.
  • Risk of muscle loss: If not combined with adequate protein intake and exercise, some studies suggest IF might lead to muscle loss, especially in older adults.

Intermittent fasting presents a promising approach to health and wellness, but it’s crucial to approach it with a cautious and informed perspective. Weigh the potential benefits against the drawbacks, and remember, there’s no magic bullet solution to health. 

A balanced diet, regular exercise, and adequate sleep remain the cornerstones of long-term well-being. Listen to your body, consult with your healthcare professional, and choose a healthy eating pattern that fits your lifestyle and goals.

Learn more

Want to learn if intermittent fasting may be right for you? Call Welia Health at 320.679.1313 or use MyChart to message your provider for a consultation to speak with a registered dietitian.

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