People who feel light-headed when they stand up after having been lying down may be at a higher risk of developing dementia, according to a new US study.
People with type 2 diabetes who lose a significant amount of weight could see their diabetes reversed, according to a British study.
Scientists have developed a way of delivering drugs to treat a common eye disease as eye drops rather than injections.
A major study has found that the risk of getting cancer is significantly reduced if people follow a healthy diet, do regular exercise and reduce their alcohol consumption.
UV rays from the sun can lead to vision loss and cataracts if eyes are not adequately protected.