|
|
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
The human body produces and destroys 15 million blood cells every second.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
![Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_44_100372029.jpeg)
![Some scholars regard Walt Whitman as a poet of nature, and others, a poet of the body—a reference to](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_29_223021934.jpeg)