People may age faster if their dad smoked during puberty
Monday 29 September, 2025 – Amsterdam, Netherlands: People whose fathers smoked during puberty seem to age faster than expected, according to research presented at the European Respiratory Society (ERS) Congress in Amsterdam, the Netherlands [1]. The researchers found signs of faster biological ageing, compared to chronological age, in people whose fathers began smoking at age 15 or younger. They say smoking during puberty may create damage in boys’ developing sperm cells that can be passed on