A new FDA-approved blood test could help detect Alzheimer’s disease earlier than ever before. The test is designed for adults age 55 and older who are experiencing early symptoms, offering doctors another tool to help diagnose the disease sooner.
Meanwhile, researchers are raising concerns about taurine, an ingredient commonly found in many energy drinks. A study published in Nature found that taurine may play a role in the growth of certain blood cancers, including aggressive forms of leukemia. More research is needed, but the findings are prompting a closer look at the ingredient’s effects.
Finally, some long-standing health myths continue to be debunked. According to WebMD, eating one or two eggs a day does not increase the risk of heart disease in healthy people. Scientists at the National Cancer Institute also say there is no evidence linking antiperspirants to breast cancer. And despite the familiar warning, cracking your knuckles does not cause arthritis-the popping sound comes from gas bubbles in the joints.