Thomas Seyfried has spent 30+ years studying cancer.
His message? Cancer is preventable.
Here are his 7 prevention rules:
1. Prioritize Sleep
Sleep is when your body goes into repair mode — especially your mitochondria, the energy centers of your cells.
The more high-quality sleep you get, the better your body can heal, recover, and protect against metabolic damage and even cancer.
Here are 4 powerful sleep hacks from Dr. Eric Berg to help you optimize your rest:
2. Regular Exercise
Dr. Seyfried says regular exercise is crucial for cancer prevention.
It boosts mitochondria, lowers inflammation, and supports autophagy.
Easy options:
• Walk
• Swim
• Lift weights
Just move daily — any activity helps.
🎁 𝗕𝗢𝗡𝗨𝗦 🎁
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3. Reduce Stress
Chronic stress harms your mitochondria and fuels inflammation — two major cancer triggers.
To lower stress:
• Try meditation or breathwork
• Prioritize rest
• Consider natural supplements (like L-theanine)
Here’s a quick video where my partner and I break it down:
4. Fasting.
Seyfried is a big advocate for both intermittent fasting & longer-term fasting.
Fasting reduces blood glucose & enhances ketone production...
Which cancer cells cannot efficiently use.
This helps inhibit their growth & promotes autophagy (the body’s process of cleaning out damaged cells).
5. Reduce Inflammation
Chronic inflammation is a key driver of cancer.
Dr. Seyfried recommends an anti-inflammatory lifestyle, including:
• Cutting out processed foods and sugar
• Eating anti-inflammatory foods like turmeric, fatty fish, and green tea
• Managing stress through meditation, deep breathing, and supportive supplements
Small daily changes = big long-term protection.
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6. Ketogenic Diet
Dr. Seyfried promotes a ketogenic diet to fight cancer by starving cancer cells of glucose.
This diet is:
• High-fat
• Moderate-protein
• Low-carb
It helps your body burn fat and ketones instead of sugar — which cancer cells depend on.
Eat foods like:
• Nuts, olive oil, avocados
• Low-carb veggies
• Lean proteins like fish
7. Maintain Stable Blood Sugar
High glucose and insulin levels can fuel cancer growth.
Keeping blood sugar stable reduces inflammation and lowers cancer risk.
Young adult cancer rates have risen 79% in the last decade.
It’s not genetics — our lifestyles are to blame:
• Processed foods
• Excess sugar
• Sedentary habits
It’s on us to take control.
Don’t let the system decide your health—fight back.