Related topics: antibodies · infectious diseases · blood test · blood

The age of blood stains says more about the crime

The composition of blood stains changes over the course of weeks and months. Forensic medicine hopes to make use of this fact in future to convict suspects—or to prove their innocence.

Researchers analyze THC in breath of cannabis smokers

Most states in the U.S. allow people to use cannabis for medical or recreational purposes. Yet all states want their roadways to be safe. A breathalyzer that can accurately identify people who recently smoked cannabis might ...

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