« previous next »
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
Sexual Maturation Sexual Maturation
The risk of dying before the age of 65 gets lower as family income gets higher. The risk of dying before the age of 65 gets lower as family income gets higher.
Cancer Survival Rates According to Psychological Response to Diagnosis Cancer Survival Rates According to Psychological Response to Diagnosis
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
Age-Specific Fertility Rates Age-Specific Fertility Rates
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library