|
|
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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.
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
![Feedback mechanisms of the thyroid gland: (1) stimulus; (2) release of TSH; (3) release of thyroid h](https://biology-forums.com/gallery/47/medium_46687_29_12_14_8_33_50_19766545.jpeg)
![Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_03_15_208321215.jpeg)