Christmas makes men go bald.
A study has warned that eating too many mince pies and quaffing sugary drinks during the festive period contributes to hair loss.
One in four men in Britain are either bald or balding and the remaining three-quarters have been warned the "excess" sugar and boozing, as well as late nights, can lead to a loss of locks.
Dr. Sara Perkins, a hair health specialist, said: "Festive feasting on a high-sugar diet and one low in essential nutrients can deprive hair follicles of the vital nourishment.
"This leads to weakened hair strands and eventually hair loss."
She continued: "Excessive alcohol consumption during the festive season can cause issues, such as nutritional deficiencies or hormonal issues which can thin out our hair.
"On top of that, a disrupted sleep pattern during the holidays from late-night gatherings can impact hair health."