Sentence examples for these substances from inspiring English sources

These substances have powerful painkilling properties.

These substances are important for endurance performance.

But these substances leave testable traces.

Why did players use these substances?

Both these substances are available as supplements.

"We're seeing more girls here abusing these substances," he said.

Many of these substances seem impervious to water treatment regimes.

The world's dependence on these substances is rising fast.

These substances will be better regulated than tobacco or alcohol".

Stones form when these substances become too concentrated.

There are good reasons these substances are illegal.