Michael Day

Food safety may have to wait

Science : Heroin habit linked to gene

Superbug spectre haunts Japan

Science : Irradiated cells teach immune system to fight cancer

Science : Brain cells defy division rule

Brain clot warning over cold cures

Technology

Technology : Cold cure for neuron diseases

A price worth paying? - Many people who are HIV positive are being denied new, powerful drugs because they are too expensive. But denying treatment because of the cost of the medicine could be a false economy

Is hormone replacement the key to a longer life?

`Cinderella disease' needs highest priority

'Hopeless' HIV testing fails Britain's unborn children

Mud sticks - For anyone who still hopes for clean election campaigning, Michael Day has bad news