ultrasound

Alan Dambach developed tremors that caused his hands to shake uncontrollably. His condition made it difficult to work on his family's tree farm in Fombell, Pa.

Health & Safety

How Highly Focused Sound Waves Steadied A Farmer's Trembling Hand

3:25pm July 09, 2018

by Jon Hamilton

Tree farmer Alan Dambach's tremor got so bad he couldn't read his own signature. Then he tried a new procedure that uses sound waves to destroy specific brain cells.

Queue Listen Now

Breasts deemed "dense" in a mammogram tend to have less fatty tissue and more connective tissue, breast ducts and glands, doctors say. About 40 percent of women between the ages of 40 and 74 have dense breasts.

National
Science
Health & Safety

Got Dense Breasts? That Can Depend On Who Is Reading The Mammogram

6:28pm July 18, 2016

by Katherine Hobson

A big study suggests that radiologists vary widely in their assessment of density, a risk factor for breast cancer. And density is just one component of breast cancer risk, the researchers underscore.