When it comes to treating everyday ailments, when is it worth spending more on a branded product and when can you save by opting for a cheaper generic version?
Artificial sweeteners are everywhere, from cereals and yoghurts to diet drinks, ice creams, instant coffee and toothpaste, as well as prescription drugs such as antidepressants and antibiotics.
PROF ROB GALLOWAY: Martha Mills (left, inset, and right with her mother Merope) died three years ago after developing an infection and then sepsis following an injury to her pancreas in Wales.
For the past two and a half years, Abbey Robb has had to take precautions every time she leaves the house. As a woman trying to work, enjoy a social life and date, it has been absolutely awful, she said.