Ask unlimited questions for free
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
For a complete list of videos, visit our video library