OD<br>My wife's nephew had drug addiction problems for years. He was on methadone, trying to recover from heroin addiction. He celebrated the capture of the Tsarnaev terrorist by shooting up. Unfortunately, he overdosed and died. He was cremated a few days later.
Can we infer the following?
My wife's nephew was recovering from heroin that caused nightmares.

pick from the following.
 *Yes;
 *It's impossible to say;
 *No;
The answer is: