Due to food shortages obesity will decline thus saving the NHS money
Mass starvation will increase bussiness for the funeral industry
And the church and other religious institutions
The U.K. Will hits its air quality targets sooner due to the lack petrol for cars
People will be greener as they have to grow there own food allotments will be a valuable asset
The push bike industry in the UK will enjoy massive growth
Due to a lack of condoms as we do not have a condom factory they will need to be recycled another gain for the environment
Ect ect I will add to the list in due course