|
|
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.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
![This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_08_22257994.jpeg)
![This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_02_223732178.jpeg)