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Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
There are more bacteria in your mouth than there are people in the world.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
![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)
![Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_45_100282437.jpeg)