« previous next »
« previous next »
 

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.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Aftermath of the Tunguska Event Aftermath of the Tunguska Event
Behaviors Behaviors
Conscientiousness is negatively correlated with a number of health-related behaviors. The higher the ... Conscientiousness is negatively correlated with a number of health-related behaviors. The higher the ...
Smog event, midday in Donora, Pennsylvania 1948 Smog event, midday in Donora, Pennsylvania 1948
Specific Nutrients and Behaviors Are Important during the First Trimester Specific Nutrients and Behaviors Are Important during the First Trimester
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library