As a certified sleep science coach with six years of sleep product expertise, I’ve put dozens—over 100, to be exact—of memory foam mattresses to the test. To identify the best memory foam mattresses ...

Menopause brain fog may be caused by hormone changes. Hormones affected by menopause, such as estrogen and progesterone, play a role in cognition. You may be able to ease your symptoms with diet, ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Shaena Montanari Shaena ...

Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet. ‌ Visual acuity is the most common clinical measurement of how your eyes ...

As Superman flies over the city, people on the ground famously suppose they see a bird, then a plane, and then finally realize it's a superhero. But they haven't just spotted the Man of Steel—they've ...

Most of the problem-solving we do in order to get through a day involves the use of what's referred to as "working memory." It acts a bit like RAM; we store information we need for the task at hand ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. As the years pile up, a ...