If nothing else, this should worry smokers: the radiation dose from radium and polonium found naturally in tobacco can be a thousand times more than that from the caesium-137 taken up by the leaves from the Chernobyl nuclear accident.

    Constantin Papastefanou from the Aristotle University of Thessaloniki in Greece measured radioactivity in tobacco leaves from across the country and calculated the average radiation dose that would be received by people smoking 30 cigarettes a day. He found that the dose from natural radionuclides was 251 microsieverts a year, compared with 0.199 from Chernobyl fallout in the leaves (Radiation Protection Dosimetry, vol 123, p 68).

    Though the radiation dose from smoking was only 10 per cent of the average dose anyone receives from all natural sources, Papastefanou argues that it is an increased risk. “Many scientists believe that cancer deaths among smokers are due to the radioactive content of tobacco leaves and not to nicotine and tar,” he says.

    Are cigarettes more radioactive than Chernobyl?
    If nothing else, this should worry smokers: the radiation dose from radium and polonium found naturally in tobacco can be a thousand times more than that from the caesium-137 taken up by the leaves from the Chernobyl nuclear … accident. more
    How radioactive is Chernobyl?
    Levels of radiation at Chernobyl. The radiation levels in the worst-hit areas of the reactor building, including the control room, have been estimated at 300Sv/hr, (300,000mSv/hr) providing a fatal dose in just over a minute. more
    Is Chernobyl still hot?
    When fuel rods are spent after generating power, they still have lots of internal radioactivity and are still hot. Internal radioactive decay gives off heat and remains in the fuel rods for tens of thousands of years, so they can get hotter unless something is done to cool them, Regan said. more
    Could Chernobyl Happen Again?
    The Ukrainian government said on Thursday on its official website that the Russian invasion and its military takeover of Chernobyl “may cause another ecological disaster.” If the war continues, the government added, a disaster like Chernobyl “can happen again in 2022.” more
    Can Chernobyl still explode?
    With no working reactors, there is no risk of a meltdown. But the ruins from the 1986 disaster still pose considerable dangers. more
    Who bombed Chernobyl?
    The disaster occurred between April 25-26, when a group of technicians in what was then Soviet-controlled Ukraine carried out a botched safety test that led to a series of explosions at Chernobyl's reactor No. 4 and a partial meltdown of its core. more
    Is Chernobyl still operating?
    Although the reactors have all ceased generation, Chernobyl maintains a large workforce as the ongoing decommissioning process and requires constant management. From 24 February 2022 to 31 March 2022 Russian troops occupied the plant as part of their 2022 invasion of Ukraine. more
    Will Chernobyl explode again?
    As water continues to recede, the fear is that "the fission reaction accelerates exponentially," Hyatt says, leading to "an uncontrolled release of nuclear energy." There's no chance of a repeat of 1986, when the explosion and fire sent a radioactive cloud over Europe. more
    Is Chernobyl still radioactive?
    The Chernobyl plant, which is still radioactive, lies about 100 km (62 miles) from Kyiv. Its fourth reactor exploded in April 1986 during a botched safety test, sending clouds of radiation billowing across much of Europe. more
    Who controls Chernobyl today?
    Russian troops that took over the Chornobyl nuclear power plant have transferred control back to Ukraine, the International Atomic Energy Agency said. The IAEA said those Russian troops moved two convoys toward Kremlin-allied Belarus, while a third convoy left the nearby city of Slavutych, also toward Belarus. more
    How is Chernobyl now?
    Since 1986, the radioactive site has remained frozen in time, and off limits to the public, after a reactor at the plant exploded. The resulting fallout spurred a crisis for the people of the nearby city of Pripyat, Ukraine — and for those living miles and miles away. more

    Source: www.newscientist.com

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