Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Wetlands in Canada
(b) Badlands region of southeastern Alberta, Canada.
The 1976 Flash Flood in Big Thompson Canyon, Colorado
Embryonic Period - By the second day after fertilization