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Michael Day

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Obesity may lie in the genes鈥�

Breaking the iron gate that defends malaria

Killer food bug reveals talent for survival

Are you really safe in their hands?

Science : Hunt for heart disease bug hots up

Food bug detectives look beyond the usual suspects

Stalking the diseases with no name

Science : Are memories made of this?

Science : Lung cancer team tracks yeast clue

Sheep dip clue to broken bones

Technology

Technology : Off-the-peg blood suits all types

How the West gets well