Economists warn the NHS will need an extra 4% a year - £2,000 per UK household - for the next 15 years.
Cheap and easy to obtain, the painkiller Tramadol has millions of Egyptians hooked on getting high.
A leading cancer expert says the problems date back to 2005, but no one was properly checking the data.
Taking part in clinical trials can bring enormous benefits, but few people are signing up
Despite its vast size and dilapidated health system, DR Congo is confident that it can contain the current outbreak of Ebola, which is thought to have killed 27 people.