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Diamonds are one of the hardest naturally occurring substances on Earth, and while we've discovered minerals even stronger than diamonds, scientists may have just taken things a step further.

Many natural substances possess interesting characteristics, and can form the basis of new active compounds in medicine. Terpenes, for example, are a group of substances, some of which are already ...

Substance-induced mood disorders, or mental disorders, are persistent mental health conditions impacting mood that stem from the physiological effects of substances, certain medications, heavy metals, ...