Today’s blood glucose meters are more accurate than devices sold in the past, which is good news for the approximately 26 million Americans with diabetes. We tested 17 blood glucose meters in our labs and 12 earned our recommendation, including three Best Buys.

In the past, while blood pressure monitors that inflate around your wrist are smaller, easier to carry and often more comfortable than most arm models, we found wrist models less accurate than those that inflate around your upper arm. No longer.

CT angiography, which is increasingly being advertised directly to consumers by hospitals and physicians, has little if any use in screening for heart disease in most people without symptoms, according to our updated Ratings of heart-screening tests. We gave it our lowest Rating for people who are at low or high risk of heart disease, and our second lowest Rating for people at moderate risk.

A treadmill can be a big investment. Budget models typically cost about $1,000 and premium models can run upwards of $3,000. They can hog valuable real estate in your home, and could become nothing more than a giant clothes hanger. If you’re on the fence about whether to buy one, our latest poll of Consumer Reports readers may set you at ease: We found that the majority of treadmill owners said they actually used their machines as much as—if not more than—they planned.