Ketchup was sold as medicine in the 1830s.

Sourdough bread is made from a 'starter' — a live culture of wild yeast and bacteria that can be maintained for decades.

Almonds are a member of the peach family.

Pistachios are technically fruits, not nuts.

The first soft drink invented in the United States was Dr Pepper in 1885 — Coca-Cola followed a year later.

A single pomegranate can contain up to 1,400 seeds.

The Mediterranean diet is the most studied dietary pattern in the world and consistently associated with reduced disease risk.

Miso paste can be aged for up to three years, developing increasingly complex flavors.

Broccoli contains sulforaphane — the most potent naturally occurring activator of the body's detoxification enzymes.