Embarrassing Bodies: Live From The Clinic (C4, 8pm)
Lewis (ITV1, 8pm)
Afghanistan: The Battle For Helmand (BBC2, 9pm)

DON’T sit down with a spaghetti bolognese to watch Dr Christian Jessen in action in Embarrassing Bodies: Live From The Clinic and never question why people with such embarrassing ailments allow millions to share their ghastly secrets.

That said, the good doctor and colleagues Pixie McKenna and Dawn Harper seem to offer more questions than answers and a cult following enjoys these gory stories.

Jessen, who still works part-time as a doctor, admits he gets recognised a lot these days. He says: “Embarrassing Bodies is such a cult show now. I have a rather odd face that seems to be very recognisable – even under a baseball cap, and sunglasses don’t work very well. But it’s great. I mean, it has its ups and downs.

“You get asked a lot of medical stuff. So you’re in a bar with friends, and someone comes up and keeps asking you medical questions, and honestly, I don’t want to talk about medicine 24 hours a day. It’s nice to switch off and forget about it. But I’ve had such nice responses from people.

Who wouldn’t like that?”

The programme started in 2007 and has gone from haemorrhoids to halitosis and to genital problems. It’s provided a noholds- barred look at sexual health and the repercussions of what can happen if you’re not careful in the bedroom.

And that’s nothing to what Jessen is sent in the post. He explains: “Women of a certain age like to send me photos of their bits and say ‘Nothing embarrassing about these, is there, doctor’?”

For the final programme of the series, the docs will be joined by a bariatric specialist to get the lowdown on weight and obesity issues. Jessen and Harper will be assessing live cases, as well as conducting reviews on over-the-counter medicines and exploring the latest common procedures. Meanwhile, McKenna will be