|
|
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.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Everyone has one nostril that is larger than the other.
![A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_15_51_296852374.png)
![With all vacuum lines and the intake tube removed, the valve cover can be removed after removing all ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_38_39_297421654.png)