Are cavities 'contagious'? Tooth-decay yeast can pass from moms to babies By Kristen Fischer published 23 January 24 A study suggests that a yeast tied to tooth decay in young children may be passed to them by their mothers, and this is more likely if the moms have lots of dental plaque.
Worldwide, the life-span gap between the sexes is shrinking By Kristen Fischer published 19 January 24 An analysis of mortality data from more than 190 countries suggests the male-female life-span gap is narrowing.
