Heroin

A synthetic opioid that hits up to 10 times harder than fentanyl is rapidly emerging global health threat, having been officially tied to more than 40 fatal overdoses over the past two years in the US alone. Here's what you need to know.

The ONUSblue alcohol detection patch tells you when you've reached the legal threshold and has the potential to save millions of lives. The company's product roadmap is even more interesting with the detection of marijuana, methamphetime and a range of illegal recreational substances to follow.