Another point I’d like to make for people worried about a link between high testosterone and prostate cancer is that it just doesn’t make sense. Prostate cancer becomes more prevalent in men as they age, and that’s also when their testosterone levels decline. We almost never see it in men in their peak testosterone years, in their 20s for instance. We know from autopsy studies that 8% of men in their 20s already have tiny prostate cancers, so if testosterone really made prostate cancer grow so rapidly — we used to talk about it like it was pouring gasoline on a fire — we should see some appreciable rate of prostate cancer in men in their 20s. We don’t. So, I’m no longer worried that giving testosterone to men will make their hidden cancer grow, because I’m convinced that it doesn’t happen.
During the Second World War car production in the UK gave way to commercial and military vehicle production, and many motor vehicle plants were converted to aircraft and aero engine production. Following the war the government controlled the supply of steel, and priority was given to supplying foreign-revenue-raising export businesses. In 1947 steel was available only to businesses which exported at least 75% of their production. This, coupled with the inevitably limited competition from continental Europe, and with demand for new vehicles in America and in Australia being greater than the American industry alone could supply, resulted in British vehicle exports reaching record levels and the UK became the world's largest motor vehicle exporter. In 1937 the UK provided 15% of world vehicle exports. By 1950, a year in which 75% of British car production and 60% of its commercial vehicle production was exported, the UK provided 52% of the world's exported vehicles.