A new FDA rule states that doctors must talk with patients about breast density after a breast cancer screening. But what does this mean? Lara Vukelich is a freelance writer in San Diego, California.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

My Density Matters is putting a spotlight on breast density — an often-overlooked factor in early breast cancer detection. My ...

Having dense breasts can put women at higher risk of breast cancer and make it more difficult to spot cancer on a mammogram, but many don’t realize it’s a significant risk. Starting this week, all ...

One of the biggest obstacles on the road to a low-carbon energy future is caused by the rare-earth element lithium, a ...

If you’re someone who’s at risk for developing osteoporosis, you’re probably well-accustomed to receiving regular bone density tests. Dual-energy X-ray absorptiometry (DEXA or DXA) is a radiologic ...

The definition of light power density. Today's lighting requirements for buildings. How to calculate LPD. Essentially, light power density (LPD) equates to all of the power consumed by light fixtures, ...

Osteoporosis is a bone disease that’s common in the United States, affecting almost 20 percent of women and 5 percent of men over age 50. Osteoporosis occurs when bones are weakened by hormone shifts ...

You may have heard high-impact activity—exercise such as running, jumping, football and basketball—is good at building bone density and strength. But what about when you're standing still, lifting ...

As we age, the health of our bones becomes increasingly important. Osteoporosis, a condition characterized by weakened bones, affects millions, leading to fractures and reduced quality of life. Among ...