Bangladesh, July 10 -- NeckSense, a new technology, can detect in the real world when people are eating, how fast they chew, how many bites they take and how many times their hands head to their mouths, according to a study of Northwestern University (NU).

The data, along with other information like heart rate, will help scientists understand what leads to binging or troublesome eating behaviors and how to intervene to stop those behaviors in real time, said the study posted on the website of NU on Wednesday.

The data also will include self-reported physical details such as and how hungry or satiated you feel or psychological details such as how depressed or how anxious you are. The user also will upload photos of their food via a smart...