|
|
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.
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
![Sceloporus undulates, the eastern fence lizard, is one of the most widely distributed lizard species](https://biology-forums.com/gallery/47/medium_33_31_08_11_2_20_50_164053.jpeg)
![First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl](https://biology-forums.com/gallery/47/medium_46687_12_12_14_7_07_21_195641052.jpeg)