Add Yahoo as a preferred source to see more of our stories on Google. A strand of hair contains three layers: the cuticle, cortex, and medulla. The design of the cuticle layer, in particular, is ...

New research shows that cortisol and cortisone levels in the hair of people living with HIV were negatively associated with CD4 count, but not with HIV viral load. Among Chinese patients living with ...

The everyday tracking of health has become far easier these days with the advent of fitness watches and other technology. However, this is only the tip of the iceberg! Cardiovascular disease is one of ...

A new study by Ben-Gurion University of the Negev suggests that oxytocin measured in hair samples may provide insight into the emotional connection between parents and young children. The study ...

In a study involving 11-year-olds, researchers have concluded that greater behavioral problems are linked to higher hair cortisol levels. The study also concluded that exposure to certain factors that ...

Have you ever felt "off" and gotten bloodwork done, only to find out your results were all within the "normal" range? That can often happen with seemingly unexplainable symptoms like fatigue and hair ...

Many cultures around the world view hair as a sign of beauty and health. Unfortunately, for many people growing healthy hair is a challenge. This has led to an increase in hair supplements on the ...