Prostate cancer kills 1,600 men in London every year.
Today, ITV in conjuction with Prostate Cancer UK launches "Stand By Your Man" which is an initiative aimed at saving lives.
ITV News London have been speaking to a family in Wandsworth, whose father had prostate cancer and who died because of a rare fatal reaction to his chemotherapy treatment.
More than 40,000 men are diagnosed with prostate cancer in the UK every year, yet few get themselves tested. Here's what you need to know.
Actor Neil Stuke, who stars alongside Ray Winstone and Tamzin Outhwaite in a new film about prostate cancer, writes about the disease.