New Alzheimer's guidelines define early stages of the disease

More than five million people in the United States have been diagnosed with AD. By 2050, barring breakthroughs in prevention or treatment, about 16 million will be affected. New guidelines for diagnosing Alzheimer's disease are intended to support the emerging theory that the disease is present in the body long before it manifests in diminished cognitive capacity. (Locked) More »

Experts urge intensive lifestyle measures for lowering triglycerides

In recent years, scientists have learned more about how triglycerides contribute to atherosclerosis, the clogged arteries that raise the risk of heart attack, stroke, and other cardiovascular problems. High triglyceride levels are often correlated with low HDL and a type of LDL cholesterol that is particularly likely to produce harmful deposits in the arteries. High triglyceride levels are also a component of another heart disease risk factor — metabolic syndrome, a condition that occurs in most people with type 2 diabetes and includes high blood pressure and a large waist size. The American Heart Association (AHA) issued a scientific statement about triglycerides and cardiovascular disease that sets a new, lower optimal level of triglycerides and recommends intensive lifestyle measures for reducing elevated triglycerides. (Locked) More »

Are there limits to laser refractive surgery after midlife?

Even if you've worn glasses or contacts for decades, you may be wondering about having your vision surgically corrected. If your eyes are otherwise healthy, laser refractive surgery may provide the results you're looking for. But the risks and benefits do shift around midlife, so you need a thorough evaluation and a frank assessment of what you might gain — or lose. More »