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Cisco's superrouter is expected to turn what is now the equivalent of a country road into an eight-lane superhighway for Internet data traffic, including 3-D video, university lectures and feature films such as Harry Potter and the Half-Blood Prince and The Twilight Saga: New Moon. "Video is the big driver behind all this," says analyst Akshay Sharma of technology-research company Gartner Inc., noting that voice and texting will soon be overtaken by richer multimedia content and applications. (See TIME's tech buyer's guide...
People with diabetes are twice as likely as nondiabetics to suffer a heart attack - most diabetes patients die of heart disease - and for years, physicians have used aggressive drug treatments to lower that risk. To that end, the goal has commonly been to lower blood sugar or control blood-sugar spikes after eating, lower triglycerides and reduce blood pressure in diabetes patients to levels closer to those of healthy, nondiabetic individuals. By using medication to treat these factors, which are linked to a higher risk of heart attack and stroke in other patients, doctors assumed they would also be reducing...
...data come from the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial, a three-part federal study launched a decade ago to investigate whether the aggressive lowering of those key risk factors - blood sugar, cholesterol and blood pressure - would reduce heart risks in diabetes and prediabetes patients. Two years ago, the blood-sugar arm of the study was terminated, when people who drastically reduced glucose levels ended up having a higher overall mortality rate than those not receiving such intensive therapy. See how to prevent illness...
...results of the remaining two arms of the trial - one in which patients were treated with blood-pressure-lowering drugs and another in which they received statins to reduce cholesterol and fibrate medications to slice their trigylceride levels - showed the same trend, finding that aggressive drug treatment did little to reduce the volunteers' risk of developing heart problems...
...blood-pressure study, involving about 4,700 diabetes patients, researchers lowered the participants' systolic blood pressure to either below 120 or 140 using a combination of drugs. But lower blood pressure did not lead to fewer heart attacks or heart-related deaths, and patients taking more drugs to keep their blood pressure under the lower target were more likely to suffer severe side effects...