Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Estimated number of doses of caffeine, methamphetamine, cocaine (computed from BZE), and cocaine (from cocaine). For assumptions and calculations see Equations S4–S7.
| Substance | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|
| Caffeine | 1.1 ×106 | 1.0 × 106 | 1.0 × 106 | 0.96 ×106 |
| Methamphetamine | 270 | 280 | 320 | 330 |
| Cocaine (computed from BZE) | 60 | 50 | 40 | 50 |
| Cocaine (computed from cocaine) | 160 | 330 | 220 | 210 |
