|
|
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.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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.
A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
![The air flowing into the engine can be directed through long or short runners for best performance ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_2_42_25_29626740.png)
![A symbol showing an engine with an arrow pointing down is used on some General Motors vehicles to ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_2_04_54_30035354.png)