Reaction times and aging Reaction times generally slow with age due to biological changes in the nervous system, including reduced nerve conduction speed, brain cell loss, and decreased muscle responsiveness . While cognitive processing speed declines—beginning as early as age 24—this is a slow, steady process often compensated for by increased strategy and experience.  Key Aspects of Age-Related Slowing Biological Causes: Deterioration of the myelin sheath slows nerve signals, while reduced...

Warning Issued on Fake Air-Bag Parts That Can Explode and Kill in a Crash From a WSJ article (Sept. 21, 2025), U.S. safety regulators believe a Chinese manufacturer is linked to counterfeit parts that are now involved in five deaths. An example of a certified air-bag module, left, next to a counterfeit one filled with colored foam.   Quick Summary U.S. regulators are investigating seven incidents, with five fatalities, involving aftermarket air-bag parts that ruptured during collisions. Two...

Can't wait for spring! 7 Tips for Safe, Efficient Snow Blowing All Winter Long, According to Snow Removal Pros Stay safe while you work with these essential snow blower safety tips A snow shovel  is a reliable method for taking care of snow, but it can be tiring, tough work to do all winter long. For this reason, many homeowners turn to snow blowers  to get the job done with minimal effort. However, snow blowers are heavy machines that need to be handled properly to make your snow removal...