The biggest bother for cannabis consumers is a drug test. On the one hand, cannabinoids such as CBD & Delta-8 THC are legal, and researchers are on a constant quest to study their medicinal properties ...

A new imaging study challenges long-standing ideas about how hair grows and could lead to new treatments for hair loss.

The trucking industry’s decade-long push for hair follicle drug testing is reaching a critical inflection point as the Trump administration prepares to address guidelines that have been delayed ...

Hair follicle infections are often difficult to treat because bacteria settle in the gap between hair and skin, where it is difficult for active substances to reach them. In order to investigate this ...

You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

They say time is like a roll of toilet paper. The closer you get to the end, the quicker it goes. Everyone who reads this column can relate to that statement, and the more you think about it, the more ...

This article was reviewed by Sara Harcharik Perkins, MD. Key Takeaways: Folic acid (vitamin B9) supports healthy cell growth ...