Lifestyle Barometer: your guide to what’s hot and what’s not this week from celebrity Halloween costumes to cannabis

From plastic-free tea bags to anti-vaccine fake news, Sarah Young rounds up what’s hot and what’s not

Rita Ora dressed up as American rapper Post Malone for the KISS Haunted House Party (Getty)

Going up:

Celebrity Halloween costumes

Heidi Klum and Tom Kaulitz dressed up as characters from Shrek (Getty) (Getty Images for Heidi Klum)