Women's Research Review 17

Can Splenda Harm Your DNA?, Melatonin & Improving your Metabolism

Another week, another treasure trove of health insights, just for you! Our aim, as always, is to break down the science so you can understand and apply these findings to your daily life.

What We're Covering Today:

  1. Splenda's DNA Damage 🍬

  2. Melatonin's Body Recomposition Magic 🌙💪

  3. Unlocking Metabolic Secrets 🚴‍♀️🔥

1st Study

The Sweet Talk: Is Splenda Really Messing with Your DNA? Seen those alarming posts about Splenda and DNA? Let’s sift through the buzz.

What's the Real Tea? 🍵

  • How was it tested? In a lab, on a petri dish. Not on humans or even animals.

  • What did they find? A tiny hint of damage – and to clarify, they looked at one chemical that’s barely 1% of Splenda.

  • Reality check: To experience that level of damage, you'd be looking at consuming 10,000 cans of diet soda or going through 50,000 packets of Splenda. That's... intense. PMID: 28775393

The buzz isn’t showing the whole story. Those bold headlines? More flash than fact.

Main Takeaway: Look beyond the flashy headlines. A petri dish doesn't equate to real-life consumption. Enjoying a bit of Splenda? Chances are you're just fine. 👌

Actionable Step: Keep informed by looking beyond the headlines. If you're concerned about anything in your diet, chat with a nutritionist or do a deeper dive into the research.

Remember, balance and moderation in everything (including our sweeteners) are key! 🍬🔑

2nd Study

Melatonin Magic: More Than Just Sleepy Vibes?

We all know melatonin as that little helper we turn to when sleep is playing hard to get.

But did you know it might do more than just lull you into dreamland? This study took a closer look at melatonin and its potential effects on our body composition. PMID: 26352863

The Basics: 💤

Objective: Does melatonin impact our body weight and metabolism?

Who? 81 postmenopausal women.

How long? 1 year.

Dose? Either 1mg or 3mg of melatonin nightly or a placebo (basically a fake pill with no effect).

The Exciting Results: 📊

• Fat Mass Down: Those on melatonin saw their fat decrease by about 6.9% compared to the placebo group.

• Lean Mass Up: There was a hint (not super concrete, but notable!) that lean mass might increase by about 5.2% in the melatonin group compared to placebo. After some adjustments, this increase was about 2.6%.

• Body weight & BMI: No significant difference between groups.

• Adiponectin (a protein related to fat and sugar metabolism): A possible increase of 21% in the melatonin group.

Main Takeaway: Beyond helping with sleep, melatonin might have some hidden talents! This study suggests it could be good for our body composition by reducing fat and potentially increasing lean mass. Also, it might play a role in our fat and sugar metabolism.

Actionable Step: 🚀 🚀Curious about trying melatonin? Generally, a safe starting dose for adults is between 1 and 5 milligrams.

If you're an older adult, doses even lower than 1 milligram might do the trick. As always, have a chat with your healthcare provider to see if it's right for you.

While it's commonly used for sleep, this new info might open up more reasons to consider it.

3rd Study

Understanding and Boosting Your Metabolism

What is Metabolism Anyway? 🌀 Metabolism is the body's backstage hero, silently working its magic 24/7. It's all about turning the food and drinks you consume into energy, fueling everything – from blinking to running a marathon.

Even when you're just chilling, your metabolism is still on the job, helping with breathing, blood circulation, cell repair, hormone management, and more!

The Metabolism-Weight Connection: ⚖️ Losing weight can be a double-edged sword. Yes, you get healthier and feel great, but it might slow down your metabolism.

As you lose weight, there's less of you to power, so your metabolism adapts by becoming more energy-efficient. The phenomenon is called “metabolic adaptation”.

A famous 2016 study of “The Biggest Loser” contestants found a startling revelation: even years after their dramatic weight loss, their metabolism hadn't sped back up! They were burning fewer calories than expected, making weight regain a challenge. PMID: 27136388

📈 It displays changes in resting metabolic rate and metabolic adaptation after the show ended and six years later.

The key takeaway? Your body can adjust its energy needs based on your weight changes.

The Scientist's Two Cents: 🧪 Losing weight slows down metabolism. It's a combo of being smaller and the body trying to hold onto its reserves.

A protective mechanism, but a tricky one when you're trying to keep the weight off.

Main Takeaway: Metabolism plays a huge role in how our bodies manage weight. It's like the engine under the hood – and sometimes, that engine goes into energy-saving mode.

Actionable Steps for a Lively Metabolism: 💪🔥

  1. Keep Moving: Little actions throughout the day add up!

  2. Muscle Up: Resistance training helps increase muscle mass, which can give your metabolism a little boost.

  3. No Starvation: If you eat too little, your body might go into “store fat” mode.

  4. Diet Breaks: Consider a 1-2 week pause on strict dieting now and then.

  5. Perspective Shift: Think of dieting as refining your metabolism, not wrecking it. But be aware! With this newfound efficiency, maintaining weight can become a dance.

TAKEAWAY

Let's quickly recap the enlightening studies we dove into this week:

Main Takeaway:

  1. 🍬 Fear not the occasional Splenda! The hype about it potentially harming your DNA might be a touch exaggerated.

  2. 🌙 Melatonin isn't just for dreamy nights; it could play a role in reshaping body composition post-menopause.

  3. 🏃‍♂️ While shedding weight can slow down your metabolism, understanding this can guide more effective weight management.

Actionable Steps:

  1. 🥤 When sweetening, keep it balanced. It's okay to use your Splenda, but everything is in moderation.

  2. 🌜 Thinking about melatonin? Initiate with a conservative dose, between 1 and 5 milligrams, especially as age advances.

  3. 🏋️‍♀️ Embarking on a weight loss journey? Make movement a habit, focus on muscle building, and sidestep extreme dieting pitfalls. Factor in periodic diet breaks (maintenance calories) to sustain the journey and optimise results.

Thank you for joining us! Stay informed, prioritise health, and catch you next Thursday! 💪💌

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