Human health timeline: 1970s
A CT scan uses X-rays and a computer to create detailed images of the inside of your body.
Leukaemia is a group of cancers which affect the white blood cells. In the early 1970s, research using mice found that it is vital to destroy all malignant cells in order to get rid of the cancer.
Inhaled asthma medication
Asthma is the most common serious childhood illness and still causes about 2,000 deaths a year in the UK. Animal research was used to develop the medicines in the inhalers used by many people, including children, today. Asthma medicines are still being improved. The film below shows rats inhaling a new formulation to check it is safe to use.
Migraine is a disorder usually involving headaches, which can be debilitating, and affects around six million people in the UK.