Hair can be a silent witness to what someone has consumed. This isn't just about illegal drugs like meth or cocaine. Now, scientists can also detect hypnotics, those sleep-inducing medications, from a single dose. This ability has been a game-changer in forensic investigations since the 2010s.

But why hair? Well, it's simple. Hair grows steadily, and it traps chemicals from the blood as it does. This means that hair can provide a timeline of drug use. It's like a diary that doesn't lie. Forensic experts love this because it gives them a reliable way to look back in time.

However, it's not as straightforward as it sounds. The process involves complex procedures to extract and analyze these chemicals. And it's not just about finding them. Experts must also consider factors like hair treatment, growth rate, and even the person's overall health. All these can affect the results.

Moreover, the interpretation of results isn't always black and white. It requires a deep understanding of pharmacology and toxicology. This is where experts come in. They use their knowledge to piece together the puzzle, helping to solve serious crimes.

But here's a thought: while hair testing is powerful, it's not foolproof. It's one piece of the puzzle. It should be used alongside other evidence. After all, in the world of forensics, every clue counts.

HYPNOTICS

Uncovering Secrets: How Hair Reveals Drug Use

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