What in the World

Gut health seems to be everywhere on social media right now. Top tips for healing your gut, diet advice including things like sea moss and bone broth, and lots and lots of supplements. But is there any truth to these suggestions, and should you care that much about your gut? Australian influencer Jade Chiang tells us why she works on her gut health. We get into what your gut microbiome actually is and whether you need to heal it with BBC science broadcaster Caroline Steel. We also delve into trending food with microbiologist Alan Walker, who gives us some ideas on what actually works, and what you should skip. Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: William Lee Adams Producer: Imogen James Editor: Julia Ross-Roy

ACOTAR, Fourth Wing, Fate & Flame… all of these popular book series belong to the romantasy genre. It combines elements of romance and fantasy, so think mythical creatures and high drama, all ending with a hard-earned happily ever after. It’s also big on BookTok, with over a million videos using the hashtag. So why is the genre suddenly having a moment?BBC journalist Maia Davies tells us what readers can expect from romantasy books - and why it’s big business for the publishing industry. Sarah Wendell, the founder of Trashybooks.com, tells us about the unique appeal romantasy holds for readers. And we hear from romantasy fans around the world, who tell us why they have fallen in love with the genre. Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: William Lee Adams Producers: Emily Horler and Chelsea Coates Editor: Verity Wilde

Vitamin C, vitamin D, collagen, creatine, magnesium. All of them can be found in supermarkets, wellness shops and of course, online. These products, also known as supplements, have gained so much popularity that the global market has an estimated value of over $150 billion. But do they actually work and what’s the science behind them? The BBC’s Digital Health editor Michelle Roberts unpacks some of the most popular supplements for us. Plus we hear from people around the world about why they’ve decided to include them in their diet. Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: William Lee Adams Producers: Chelsea Coates, Rio Rennalls and Maria Clara Montoya Editor: Emily Horler

Nostalgia. That reminiscent, comforting feeling of something from the past that is familiar. We get it with different things, from fashion to TV shows and music. In the last few years, there’s been a huge rise in things like y2k fashion, old school technology like flip phones and digital cameras, and even Kate Bush has made it back into the charts.So why do Gen Z care so much about old things? Professor Ryan Lizardi tells us more about how nostalgia works, when it’s bad for you, and how marketing is keeping old things alive. We also hear how nostalgia is interpreted from Marie Tusiama in the Ivory Coast, who runs a successful y2k Instagram page. And what does nostalgia mean in Portuguese and Brazilian culture? Well, we hear from someone else in the Gelbart family - Ben tells us about his favourite Portuguese word, ‘saudade’. Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: Imogen James Editor: Verity Wilde

Are you an extrovert or an introvert? Do you enjoy small talk with strangers or do you do everything you can to avoid catching their eye? Type A or Type B?Right now the internet is obsessed with these labels. Personality types, birth charts, attachment styles, Myers Briggs, colour coding your aura.These days the internet is full of tests that attempt to define who you are by answering questionnaires, but the reality is more complicated. We go through these trends with Claudia Hammond, a psychologist and BBC presenter. Plus we hear from BBC colleagues in other parts of the world. Yuna Ku tells us the trends around personality types in South Korea and Makuochi Okafor in Nigeria explains how Igbo culture defines people’s characteristics according to four categories.Instagram: @bbcwhatintheworld Email: [email protected] WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Video producer: Baldeep Chahal Producers: Benita Barden, Julia Ross-Roy and Rio Rennalls Editor: Emily Horler