Several seconds may elapse before your night vision recovers, putting your life and those of other road users in danger.
A wealth of research demonstrates why everyone should banish screens from the bedroom — even if they’re switched off.
The results of an experimental blood cancer treatment have been hailed as amazing.
From intense colour vision, to heightened powers of taste, there are people whose senses are hugely heightened.
John Naish taks a look at whether probiotics can make you feel less anxious. . .
The term nervous breakdown seems to be fast coming back into vogue. John Naish finds out why. . .
The British military wants to create armies of mutant soldiers, equipped with unstoppable physical and mental powers.
A new book looks at how food makers use salt, sugar and fat to make consumers hit their ‘bliss points’.
Will 50 cloves of garlic kill a cold - or just your love life?
Just because scientists have the ability to enact their fantasies, it does not mean that they should, writes John Naish.
Despite its button-bursting reputation, that festive meal could actually have done you no end of good.
Many pills most commonly used daily by women were never tested on females before being put on the market, an expert says.
John Naish look at research which shows that it is life’s grumpy people who often fare better in the long term.
Why experts fear a disease that leaps from animals to humans could devastate mankind in the next five years.
Having seen the evidence, I don’t touch fizzy drinks any more, says John Naish.
Meet the fussy eaters who survive on pork chops, toast and tea or pizza. . . and are perfectly healthy, thank you.
Depression levels continue to soar. But are antidepressants the panacea we hope them to be? John Naish investigates.
As research lays bare the dangers of yo-yoing weight, some experts argue it would be better not to diet at all.
John Naish takes a long, hard look at the issue of fat in our diet.
Experts fear our lifestyle illnesses are a result of being born to couples who followed the fashions of the Fifties and Sixties.
Memory is a strange and complex thing, as this guide to the mind makes clear. . .
Far from ridding your body of unwanted elements, you may get a lot more than you bargained for when it comes to detoxing rituals.
John Naish says we should slap a health warning on city life. . .
It sounds like the perfect healthy sweetener - but ‘fruit sugar’ is one of the most damaging ingredients in our food.