|
|
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
![Vice President Richard M. Nixon and Soviet leader Nikita Khrushchev engage in a “kitchen debate” ...](https://biology-forums.com/gallery/47/medium_632960_01_12_16_11_27_11_241861978.jpeg)
![It is in the family that we first learn how to do gender, how to match our ideas, attitudes, and ...](https://biology-forums.com/gallery/47/medium_660365_19_12_16_11_52_43_24340674.png)