|
|
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
![The percentage of women over 40 in the United States who are childless has almost doubled in the ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_08_24374668.jpeg)
![The United States is the most racially– ethnically diverse society in the world. This can be our ...](https://biology-forums.com/gallery/27/medium_660366_14_04_17_2_22_47.png)