Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Did you know?
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
The transition from college to first job can be a triggering situation for new growth in meaning ...
Typical timing marks. The numbers of the degrees are on the stationary plate and the notch is on ...