The body needs protein spread throughout the day—at breakfast, lunch, and dinner.

Good sources include:

Eggs
Fish
Dairy products
Legumes
Lean meats

Why understanding these changes is so important

These five changes appear in almost everyone after 70, regardless of whether they were wealthy, athletic, or very health-conscious.

They are not a sign of failure or illness—they are a biological stage.

The difference between a fragile old age and an active one is not in avoiding these changes, but in knowing how to respond to them.

When you understand what