|
|
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
![J. P. Morgan, the financial genius, staved off ruinous competition among steel firms by combining mo](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_27_03_223911186.jpeg)
![Older adulthood can be a time of independence and exploration as responsibilities diminish and the ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_20_37_27585903.jpeg)