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Did you know?

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.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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Thyroid conditions may make getting pregnant impossible.

Surgical instruments prepared for a procedure. Surgical instruments prepared for a procedure.
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
Transurethral resection of the prostate (TURP). As a treatment for BPH, part of the prostate gland i Transurethral resection of the prostate (TURP). As a treatment for BPH, part of the prostate gland i
Obstetrical sonography and fetometry. (a) The procedure is performed in a clinical setting. The inst Obstetrical sonography and fetometry. (a) The procedure is performed in a clinical setting. The inst
Urinary catheterization. The procedure involves the insertion of a flexible tube, or catheter, throu Urinary catheterization. The procedure involves the insertion of a flexible tube, or catheter, throu
The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ... The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ...
Video: Bond types - Atomic structure and basis of bonds

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