"the hotter it is, the more water he needs to cool down his body temperature," corinna, 40, who lives in germany, wrote.; author, dr. barbara starfield, revered public health expert at the johns hopkins school of public health; �is us health really the best in the world?�. picks two weeks ago, the second time in four years he's nailed the race's top-three finishers.) but getting to this point was a long road.. .....