Acid + Bile + Reflux over time can cause Barrett's Oesophagus.
Barrett's oesophagus can lead to oesophageal cancer.
Lifestyle and dietary changes may reduce any of the elements.
There are medicines available to reduce acid.
There is surgery available that can reduce reflux.
Many new treatments are becoming available that may or may not prove efficacious in the long term.
Barrett's can be treated to minimise risks of progression to cancer.
Reflux (with or without acid) can cause respiratory and other problems.