King Charles's breakfast routine offers him the best defence against cancer, research suggests

Charles sticks to a fibre-rich breakfast and washes this down with tea - dietary decisions that could mitigate the worst effects of cancer, research suggests.

The King's former press secretary Julian Payne revealed last year: "The working day is pretty relentless. Beginning with the radio news headlines and a breakfast of seasonal fruit salad and seeds with tea."

Why might this help?

Seeds and fruit are rich in fibre. According to Cancer Research UK, having a diet high in fibre, and wholegrains in particular, can help to reduce your risk of cancer.

The beneficial effects may extent to treatment too. People who reported higher fiber intake, which promotes healthy gut microbes, had better responses to cancer treatment overall in a study published in Science.

After adjusting for other factors, the researchers found that every five-gram increase in daily fiber intake corresponded to a 30 percent lower risk of cancer progression or death.

Early evidence also suggests that tea contains anti-cancer properties. For example, some laboratory studies have shown that extracts from green tea can stop cancer cells from growing, Cancer Research UK reports.

However, the evidence is patchy at best and no one food prevents cancer, the charity notes.

"But you can reduce your risk by keeping a healthy weight and eating a healthy balanced diet."

In addition to eating well, the King stays active - another potential bulwark against cancer.

"The King dislikes being inside for too long and always has the windows wide open," his former press secretary said.

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According to the NHS, physical activity can be an important part of your recovery after cancer treatment.

What we know so far about Charles's Cancer diagnosis

A statement from Buckingham Palace was released at 6pm on Monday confirming the King's cancer diagnosis following separate treatment for a "benign" prostate enlargement.

King Charles left hospital last week after an operation on an enlarged prostate.

Buckingham Palace noted it was during this procedure that a "separate issue of concern was noted".

In a statement, Buckingham Palace issued a health update confirming Charles' cancer diagnosis.

It said: "During The King’s recent hospital procedure for benign prostate enlargement, a separate issue of concern was noted.

"Subsequent diagnostic tests have identified a form of cancer.

"His Majesty has today commenced a schedule of regular treatments, during which time he has been advised by doctors to postpone public-facing duties.

"Throughout this period, His Majesty will continue to undertake State business and official paperwork as usual.

"The King is grateful to his medical team for their swift intervention, which was made possible thanks to his recent hospital procedure.

"He remains wholly positive about his treatment and looks forward to returning to full public duty as soon as possible.

"His Majesty has chosen to share his diagnosis to prevent speculation and in the hope it may assist public understanding for all those around the world who are affected by cancer."