Specialist advice about cancer is now available at a so-called "pop-up" clinic, which has opened in a shopping centre in Croydon.
It is a temporary store to encourage people to ask for help if they think they have got cancer and It will make it easier to get checked out.
This could improve their chances of survival if they have the disease. Piers Hopkirk went for a look around.
More top news
A cyclist who ploughed into a mother-of-two has been cleared of manslaughter but convicted of "wanton and furious driving".
Women in Tower Hamlets can expect to live for 30 years in ill health, compared to just under 12 years for men in Enfield.
Travel website Lonely Planet has included Tooting, south London, in its list of the globe's must-visit locations.