says.Dr Jaques advises women to keep their heart rate at or below 140 beats per minute (bpm) while exercising. Experiments on pregnant dogs suggest that running at an intensity greater than 70 per cent VO2max (the point of maximum oxygen capacity
that it's the sleep you get two nights before a race that matters. The study found that athletes' VO2 max wasn't adversely affected after one sleepless night; it was lowest two days after sleep deprivation."Like your nutrition, one bad day won't have much
