A new study has linked a father's pre-conception vitamin D intake with his child's height and weight at five years old. The study presented at this year's European Congress on Obesity (ECO) in Porto Portugal is by Dr Cilia Mejia Lancheros and colleagues at the School of Public Health Physiotherapy and Sports Science University College Dublin Ireland. The researchers analysed data from the Lifeways Cross-Generation Cohort Study a unique longitudinal database in Ireland. Information on paternal vitamin D intake from baseline food frequency questionnaires and children's height and weight measurements were available for 213 and 148 father-child pairs when children