|
|
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Your heart beats over 36 million times a year.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
![The killer whale named Old Tom swims alongside a whaling boat, flanking a whale calf. The boat is be](https://biology-forums.com/gallery/47/medium_27599_22_04_12_6_59_50.jpeg)
![Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ...](https://biology-forums.com/gallery/30/medium_548020_02_06_17_2_26_26_302612176.png)