Although Pasteur's Germ Theory led to many changes in prevention and treatment, there are some illnesses that are not caused by germs. In Modern Britain it was discovered that genetics and lifestyles are also responsible for illness and disease.
Francis Crick and James Watson discovered the structure of DNA. They were helped by Maurice Wilkins and Rosalind Franklin and funded by government and industry.
Scientists have discovered that there are specific genes that pass on conditions and illnesses such as diabetes, cystic fibrosis, Down syndrome and some forms of cancer.
Poverty, drug use, smoking, drinking alcohol, being overweight and poor diet. They can lead to illnesses such as cancer, heart disease and mental health problems.
Everyone in Britain was able to get free treatment at the point of delivery. NHS services include: hospitals, dentists, medical research, GPs, health centres and vaccinations.