|
|
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
Thyroid conditions may make getting pregnant impossible.
![Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth](https://biology-forums.com/gallery/47/medium_12359_13_01_13_5_58_05.jpeg)
![A fluorescent trouble light operates cooler and is safer to use in the shop because it is protected ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_40_16_294551220.png)