Companies that sell complicated genetic tests directly to consumers may be putting people at risk, a top US health official has announced. Without a doctor’s guidance, consumers might choose to stop taking heart medications or skip routine breast cancer screening based on the results of tests that might not be accurate, said Dr Jeffrey Shuren, […]

Researchers have found a genetic mutation that helps predict which men will have aggressive prostate cancer and said it might help doctors choose who needs treatment and who does not

Scientists have found a way to track minutely-differing strains of MRSA as they spread between people, a finding that could aid efforts to control the bacteria