The Food and Drug Administration is cracking down on 23andMe and other companies that sell genetic tests directly to consumers.The F.D.A. sent letters this week to five companies involved in that business, saying their tests are medical devices that must receive regulatory approval before they can be marketed.
Health Glance
"Our work shows that radiation can change the microenvironment of breast cells, and this in turn can allow the growth of abnormal cells with a long-lived phenotype that have a much greater potential to be cancerous," Paul Yaswen, a cell biologist and breast cancer research specialist with Berkeley Lab's Life Sciences Division, said in a statement to the press.
A new report says the Food and Drug Administration is stretched thin and needs to reorganize to better keep the nation's food safe.
A single dose of radiation during surgery is just as effective as a prolonged course of radiotherapy for breast cancer, a study suggests. Doctors have tested the technique, which involves a single shot of radiotherapy to a tumour site, in more than 2,000 patients.
New York City anti-smoking symbols portraying a decaying tooth, unhealthy lungs and a spoiled brain breach cigarette sellers' free speech and should be taken out, tobacco companies and vendors said in a lawsuit.
A joint report into the handling of the H1N1 outbreak has found that some scientists who advised governments to stockpile drugs, had previously been on the payroll of big drug companies.





























