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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
![Walk around the head of the table to the left side and reach across to perform threecount stroking ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_54_25_33054938.jpeg)
![Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_43_19_331771344.jpeg)