barbiturates

"The addictive is a serious problem for many teenagers. "

"Many medications are derivatives of natural substances found in plants or fungi. "

"It was a surprise to see the captain, who had always seemed so serious, laugh so heartily."

"His addiction to video games was affecting his schoolwork and relationships with his family. "

"The dancer's nervous muscles tensed before her performance. "

"The stage hypnotist preferred volunteers who were known hypnotics because they were easier to put into a trance. "

"Alcohol acts first as a stimulant and then as a depressant."

""Stress from work can cause insomnia, making it hard to fall asleep at night." "

"The effect of the hurricane was a devastated landscape."

"The doctor prescribed sedatives to help the anxious patient sleep better at night. "

"Even from a young age it was clear that she had the potential to become a great musician."

"The central library is located in the heart of the city. "