Winston was the presenter of many BBC television series, including Your Life in Their Hands, Making Babies, Superhuman, The Secret Life of Twins, Child of Our Time, Human Instinct, The Human Mind, Frontiers of Medicine and the BAFTA award-winner The Human Body. As a traditional Jew with an orthodox background, he also presented The Story of God, exploring the development of religious beliefs and the status of faith in a scientific age. He presented the BBC documentary "Walking with Cavemen", a major BBC series that presented some controversial views about early man but was endorsed by leading anthropologists and Scientists. One theory was that Homo sapiens have a uniquely developed imagination that helped them to survive. Winston's documentary Threads of Life won the international science film prize in Paris in 2005. His BBC series Child Against All Odds explored ethical questions raised by IVF treatment. In 2008, he presented Super Doctors, about decisions made every day in frontier Medicine. In the summer of 2016, Professor Winston stated that the increase in cycle lanes in London had led to a sevenfold increase in pollution in certain parts of London. Professor Winston has been asked to provide empirical evidence for this claim - a request he has so far ignored.