When You Hear Colors and Taste Shapes

The diabetes drugs that transformed weight loss may be key to treating addiction, too. Dr. Sanjay Gupta speaks with Dr. Dhruv Khullar about how GLP-1s affect the brain, its reward system, and maybe even addiction. This episode was produced by Jennifer Lai with assistance from Sof ...  Show more

An FDA panel has recommended allowing compounding pharmacies to make six unapproved peptides. Dr. Sanjay Gupta and CNN Health's John Bonifield discuss their popularity, safety concerns and what comes next. This episode was produced by Madeleine Thompson and Leying Tang. Medical W ...  Show more

Synesthesia is a neurological condition where one sensory experience gets combined with another, meaning someone might hear sounds when they eat, or see colors when they listen to music. So what exactly is synesthesia? And what’s it like to go through life with these unique senso ...  Show more

More than 4% of people have some form of synesthesia, a neurological condition that causes senses to link and merge. People with synesthesia may taste words, hear colors, or see calendar dates arrayed in physical space. Dr. Julia Simner, a professor of neuropsychology at the Univ ...  Show more

For some people the number six is red and music evokes a range of colours and shapes. Seeing sounds and hearing colours is one type of synesthesia—where the senses are crossed.  Meet an 11-year-old girl who was surprised to find out that not everyone sees colourful auras around p ...  Show more

How can some people taste sounds? What’s happening in the brain of those who feel other’s sensations as their own? And why might we have evolved some of these extraordinary abilities in the first place? In this focus episode of How We’re Wired, join producer Dr Eva Higginbotham a ...  Show more