Know Your Sh!t: Inside Our Guts

We meet a poo-shy model who doesn't go for weeks at a time, a burlesque-loving retiree who has an eye-watering coping mechanism for her embarrassing incontinence, and a fitness fanatic.

The experts at Poo HQ meet a "stinky grandad," a woman from Jersey with crippling pain when she eats, and a nurse who bloats from size 16 to size 24 in the space of minutes.

Poo HQ opens its doors to a woman whose bowel makes her fearful of traveling, and a nurse with stress-related burps. And presenters Alana and Lisa learn how good sleep is key to a good gut.

The experts meet two young women with Crohn's disease, and a businesswoman whose bloating and 'wet wind' is hindering her love life.

In the clinic this time: a salesman whose psoriasis may be linked to his gut health, and a pole dancer with troublesome wind.

The experts meet a woman whose bloating gets her mistaken for being pregnant and an investigator who has never been the same since eating fermented shark. Plus: easy gut hacks to try at home.