These foods are great as part of a protein-rich, fibrous diet.

Camilla’s age also needs to be taken into account to understand her diet.

Calcium is key for over-70s, according to the expert, so Camilla likely eats a lot of dairy.

It is an “incredibly important food group” for people of this age, Daniel revealed.

For fellow septuagenarians (those between 70 and 79 years old), the expert recommends drinking milk, which “gives you nearly all the calcium you need”.

Source: Daily Express | Diet