Navigating the Shift: Understanding the Body After 70

2. Fluctuating Temperature Regulation

The body’s “internal thermostat” becomes less efficient with age. The ability to sweat (to cool down) or constrict blood vessels (to stay warm) slows down, making extreme temperatures more taxing on the system.

  • What to expect: Feeling chilled indoors or overheating quickly during summer months.
  • Proactive Habits: Dress in breathable layers and prioritize hydration, as water is essential for internal temperature management.

3. Digestive Efficiency and Nutrient Absorption

Digestion naturally slows as stomach acid production decreases and intestinal motility wanes. This can lead to a “full” feeling earlier in meals and a decline in the absorption of critical nutrients like Vitamin B12, Iron, and Calcium.

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