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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
![Typical port fuel-injection system, indicating the location of various components. Notice that the ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_11_26_22_299951593.png)
![Port fuel injectors spray atomized fuel into the intake manifold about 3 inches (75 mm) from the ...](https://biology-forums.com/gallery/30/medium_548020_30_05_17_11_26_24_300012185.png)