Doctor's orders: Top medics on how to stay well this winter

WINTER – the time of year that takes the biggest toll on our health. The weather’s bad, the days short, bugs abound – yet right when we instinctively want to draw in and conserve energy, we’re expected to gear up for the big festive blow-out. Little wonder we’re beset by various health bugbears.
We ask four top doctors how to stay fit and healthy in the run-up to Christmas.