Lifestyle

Why children struggle a month into the new school year – and three expert tips to help with meltdowns and backchat

The simplest science-backed way to know if you’re drinking enough water

Cats can get dementia too – and may hold clues to new treatments for humans

We may soon discover how to slow dogs’ ageing – and humans could be next

15 simple ways to spot a liar – from their voice to finger movements and fake smiles