|
|
The average adult has about 21 square feet of skin.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
![Continuous positive airway pressure (CPAP) device. The sleeping subject is receiving the benefits of](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_25_45_10061802.jpeg)
![Changes in the bronchioles during an asthma attack: (a) Normal bronchiole; (b) the inflammatory comp](https://biology-forums.com/gallery/47/medium_46687_29_12_14_7_23_03_197501933.jpeg)