|
|
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.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
There are approximately 3 million unintended pregnancies in the United States each year.
![Boundaries within landscapes created by human activity (background) and natural environmental gradie](https://biology-forums.com/gallery/47/medium_33_27_08_11_11_52_18_15341177.jpeg)
![The puppet, created for the Tbilisi Marionette Theatre, is controlled by forces hidden from public ...](https://biology-forums.com/gallery/47/medium_660365_25_12_16_1_15_24_244191928.jpeg)