I am retired and talk on Medical Detection Dogs. They are wonderful animals the work in a bio detection centre in Milton Keynes sniffing urine, sweat and breath samples to identify whether persons have cancer or not. The also work on other diseases with high accuracy results. The ultimate aim is to copy the dogs nose in a small handheld machine in every doctor's surgery. Other dogs are taught to be with owners who collapse with no warning through life threatening diseases. These dogs can save lives by giving the owner 15 minutes or so of warning of impending collapse. The charity relies on public funding alone and these talks make people aware. The charity asks for a £50 donation.