colleagues found that 200 milligrams of caffeine (about two cups of coffee) decreased blood flow to the heart during exercise by 22 per cent. That percentage increased to 39 for people exercising in a high-altitude chamber, which the researchers used
in the American Journal of Obstetrics & Gynaecology, Danish researchers studied the sports and leisure-time activities of 5,749 healthy pregnant women in the first and early second trimesters of their pregnancies. They discovered that physical activity during
my mileage and practised running above 14,000 feet, but still I'd limped home after aggravating an old Achilles injury. Today I was ready for a charmed third try. I was fit, healthy and confident of a top-10 finish. Maybe I'd even break three hours
