Is it true that … a glass of wine a day is good for your heart?

Moderate wine consumption may benefit your cardiac health, but foods such as grapes and berries offer similar advantages without the negative effects

The 163 best holiday gift ideas for 2025, vetted by the Guardian US staff

Unique, tested gift ideas for every budget – from stocking stuffers to splurges – to cover every recipient and scenario

My schoolmates mocked me for being a UPF-free, ‘weird lunchbox’ kid. Turns out my mum was right all along

In the 90s my mum embarrassed me with her rejection of ultra-processed foods – but the growing body of evidence about them is vindicating her, says Guardian columnist Rhiannon Lucy Cosslett

Is it true that … you burn more fat by working out on an empty stomach?

There are modest benefits to exercising on an empty stomach, but it’s more important to burn more energy than you’re consuming

Peanut allergies have plummeted among US kids since 2017 – what happened?

Blockbuster research has upended assumptions about the allergy. Experts shared what parents should know about introducing food allergens

The perplexing rise of protein shakes: how a ‘meaty sludge’ became a billion-dollar industry

In 1865, the first ever protein-based product consisted of ‘melted-down beef hides and carcasses’. Now, there are countless shakes on the market – including one by a Michelin-starred chef. Why is everyone drinking them?

Why do people love spicy food – even when it hurts to eat it?

Tearing up, sweating and other bodily functions are all signs that the body is trying to expel spicy foods as quickly as possible. But there is a simple reason why some people enjoy those sensations

The nut secret: 14 easy, delicious ways to eat more of these life-changing superfoods

A handful of nuts a day can help manage obesity and reduce your risk of cardiovascular disease, type 2 diabetes and some kinds of cancer. Yet most of us don’t get enough. Here’s a no-fuss guide to getting your 30g a day

‘You Britons go to the pub, we go to the swimming pool!’: the European health habits worth adopting

Daily swims, power naps and five meals a day – not tips from the latest hit wellbeing podcast, but longstanding traditions that have kept generations healthy in Iceland, Ukraine, France and more …

Is it true that … consuming too much sugar can make you hyperactive?

There is no solid scientific proof, but it would do us all good to cut back on sweet treats