What if giving your body a short break from food could actually help it repair itself — right down to your immune system and oral health?

Researchers at the University of Southern California discovered that fasting for 72 hours can activate stem cells to regenerate parts of the immune system. During fasting, the body eliminates old and damaged white blood cells and lowers PKA enzyme activity — a key factor that normally suppresses stem cell renewal. Once eating resumes, these stem cells kick into action, producing fresh immune cells and supporting tissue repair.

The Science of Fasting and Regeneration

According to the study, these fasting cycles don’t just slow aging — they rejuvenate the body’s natural defenses. By clearing out weak cells, fasting gives space for stronger, newer cells to grow. This process strengthens immunity, enhances cellular repair, and may even improve inflammation control — all of which are essential to maintaining a healthy mouth and gums.

Fasting and Oral Health: The Connection

You might not immediately think of your teeth when you hear about fasting benefits, but the connection is real. A balanced immune system means:

• Better gum health, as inflammation is more controlled.

• Faster healing after dental procedures.

• Reduced risk of oral infections and periodontal disease.

• Healthier tissues, supported by the body’s natural repair mechanisms.

When your immune system functions optimally, your mouth — the entry point of the digestive and respiratory systems — also benefits.

The Takeaway: Balance and Professional Guidance

Fasting can be a powerful reset for the body, but it must be done safely. It’s not about starvation — it’s about giving your body time to repair and regenerate. Always consult with your doctor or nutritionist before starting any fasting regimen, especially if you have underlying health or dental conditions.

Expert Dental Advice

Maintaining oral health goes beyond brushing and flossing — it’s about supporting your body’s overall wellness. Hydration, nutrition, and even periodic fasting (when guided properly) can work hand in hand with professional dental care.

Visit your dentist regularly for cleanings and check-ups — because even with the best fasting plan, nothing replaces expert oral care.