Different data in the technical litterature: 0,5-2 μg uranium for each kg of body, per day, for long time (professional) exposure.
The simple exposure to natural uranium is not so dangerous because the gamma radiation emitted is not so energetic and also it is auto-absorbed in the uranium material. The danger is to inhale or to ingest uranium compounds.
None. A pellet of uranium contains uranium, not coal.
Uranium is not used at home.
Uranium-235 is found in nature at about 0.7% concentration to uranium-238.
Afghanistan has now no uranium mines.
Of course, but with some precautions: gloves, for big quantities an aerosols mask, working in a chemistry laboratory, don't inhale or ingest rock particles, etc.
1500 lbs
The majority of nuclear reactors use uranium as nuclear fuel.
kidney and liver problems
There does not seem to be.
Uranium exposure can cause kidney damage, especially in individuals who inhale or ingest uranium dust or compounds over a long period. It may also increase the risk of cancer, particularly lung cancer, bone cancer, and leukemia. Additionally, uranium exposure can lead to reproductive issues and affect the central nervous system.
Approx. 70 US $ for 1 kg of nuclear reactor grade uranium doxide (with natural uranium); the enriched uranium is more expensive, depending on enrichment.