Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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).
Did you know?
Your heart beats over 36 million times a year.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Diagram of the food chain
Preparation of sterile field 4
Throughout history, technology has had an impact on families. Today is no exception.