Acid reflux occurs when acid backs up from the stomach into the esophagus. This is common but can cause complications or bothersome symptoms, such as heartburn. One reason this happens is that the lower esophageal sphincter (LES ) is weakened or damaged.

With childhood obesity at an all-time high, parents, schools and even communities are supporting a movement to help young people eat healthier.

Cancer is the most common cause of death worldwide and a major cause of death in the UK, accounting for 29% of deaths from noncommunicable diseases. In 2012, there were 8.2 million cancer-related deaths worldwide and an estimated 14.1 million cancer cases, which is expected to increase to 24 million by 2035.