Ophthalmology

Lab-grown retinas explain why people see colors dogs can't

With human retinas grown in a petri dish, researchers discovered how an offshoot of vitamin A generates the specialized cells that enable people to see millions of colors, an ability that dogs, cats, and other mammals do ...

Health

How living like a hunter-gatherer could improve your health

Many of us want to live long, happy and healthy lives. Yet it's often confusing to know the best way to achieve this, and many aspects of modern, westernized living conspire to keep us from achieving this goal.

Ophthalmology

Six ways to look after your eyes in 2024

The World Health Organization estimates that over 80% of all vision impairment around the world can be prevented and even cured. Reducing the risk of eye diseases involves adopting a combination of lifestyle changes, protective ...

Health

City living can pose developmental risks

It is expected that by 2030, more than 60% of the world's population will live in urban areas. New research highlights the wide range of urban exposures during early childhood, from air and noise pollution to overcrowding ...

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