Health

Pacemakers don’t work when they’re switched off – we should doubt studies that say otherwise

Among the many odd claims made about the placebo effect is that pacemakers work even before they're switched on - which obviously isn't true

Moroccan Argan oil is an interesting traditional product, but it’s certainly no panacea

Argan oil from Morocco is said to have all manner of health benefits, from preventing hair loss to boosting the immune system - all based on little to no evidence

Animals, acupuncture and alt-med: the Brazilian penguin being subjected to Enya

A recently rescued penguin in Rio de Janeiro is being treated with acupuncture, cannabinoids and music therapy - despite a total lack of evidence

The evidence for pill colour impacting placebo effects gets flimsier the more you examine it

The idea that the colour of a pill influences what placebo response you get is based on a succession of badly designed or badly interpreted trials

The secret to a year-round tan – eating so many carrots you turn orange?

Viral claims suggest a new way to give your skin that sun-kissed glow: eating so many carrots you turn orange from carotenosis.

The real-world harm of nutritional misinformation

Fad diets and dubious claims about nutrition have always been popular, but with social media, avoiding bad food advice seems harder than ever

Does the colour of a pill really influence what kind of placebo effect you’ll experience?

It's said that pill colour influences what placebo effect people experience, but the primary source for this claim is flimsy at best

Religion is simply a powerful placebo – offering priests a sense of ritual, but little else

Theatrical but ultimately ineffective, religion may be the ultimate placebo effect - as 17th Century priest Jean Meslier realised 300 years ago
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