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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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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Interaction web of factors that might influence locust population size. Interaction web of factors that might influence locust population size.
Manta ray in the open ocean Manta ray in the open ocean
The thick bark of the cork oak of the Mediterranean region protects the tree from fire. The thick bark of the cork oak of the Mediterranean region protects the tree from fire.
Distribution of Earth's Water Distribution of Earth's Water
El Niño demonstrates the atmosphere-ocean connection El Niño demonstrates the atmosphere-ocean connection
When lithium chloride, LiCl, dissolves in water, which of the following is forme When lithium chloride, LiCl, dissolves in water, which of the following is forme
Video: Dorsal Recumbent Position

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