|
|
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
![(A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend](https://biology-forums.com/gallery/47/medium_14755_27_08_12_4_56_12_82161984.jpeg)
![Spinal cord—levels of injury; A, areas of sensory function (dermatomes); B, areas of motor function.](https://biology-forums.com/gallery/47/medium_18099_25_10_12_10_55_44.jpeg)