|
|
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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.
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.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
![The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_02_17_2037874.jpeg)
![Lake position in the landscape and proportion of water received as groundwater (data from Webster et](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_42_32_20651521.jpeg)
![Stages of endometrial cancer. Stage I: Mutated cells arise from glandular epithelium of the endometr](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_27_40_94371810.jpeg)