CREAMY CUCUMBER SOUP

A US company has produced an ultrasound scanner that plugs into an iPhone and costs $2,000 (£1,555).

Children in London and Luton are taking part in a study to measure how their lungs are affected by air pollution.

Laura Nuttall had just started university when a routine eye test discovered several brain tumours.

David Shukman examines the effect that air pollution has on our bodies.

The internet is full of conflicting advice about corn, with some health sites and bloggers claiming that it is bad for health. However, there is no evidence to support this. In moderation, corn can form a healthful part of most people's diets. Learn more here.

Cancer-fighting foods include apples, berries, and fatty fish. These foods may help prevent cancer and promote general health. Learn more about the best cancer-fighting foods here.

Lactobacillus acidophilus is a common probiotic that is available as a dietary supplement and is an ingredient in yogurts and other fermented foods. Research suggests that consuming this probiotic can support digestion and prevent or treat a number of conditions. Learn more here.

A drug that researchers are testing against a range of conditions might also prevent Alzheimer's. The drug blocks toxic protein buildup in the brain.

The internet is full of conflicting advice about corn, with some health sites and bloggers claiming that it is bad for health. However, there is no evidence to support this. In moderation, corn can form a healthful part of most people's diets. Learn more here.

The guidelines that the American Heart Association (AHA) issued for maintaining cardiovascular health may also reduce the risk of diabetes.