Whether people prefer coffee or tea may boil down to a matter of taste genetics.

Ageing and a low life expectancy are caused, at least partly, by oxidative stress. A team of researchers led by Prof. Dr. Ivana Ivanovi-Burmazovi from the Chair of Bioinorganic Chemistry at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), together with researchers from the USA, have discovered that zinc can activate an organic molecule, helping to protect against oxidative stress.

In a humming factory in Kenya’s highlands, tea is hand-plucked from the fields, cured and shredded into the fine leaves that have sated drinkers from London to Lahore for generations.

A quick look at the best herbal teas for stress relief, brain health, and more

A ground-breaking benefit-sharing agreement was signed in 2019 between South Africa’s lucrative rooibos herbal tea industry and two organisations representing Indigenous San and Khoi people.