All participants used a “regular” size blood pressure cuff, regardless of their arm size. The researchers found that those who should’ve used a “small” cuff had lower blood pressure ...

High blood pressure forces your heart to work harder ... Some testers found the small, on-cuff backlit display difficult to read. The numbers are tinier than on other devices we tested.

"so it can actually affect your blood pressure reading." One of the most important things to consider when buying a device is to make sure that the cuff fits your arm. If it's too small or too big ...

The simplest way to measure your blood pressure at home is to use an automated cuff, which you can purchase online or at most drugstores. The American Heart Association recommends this method.