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In a sample of 1500 Australians aged 30-60 year olds, one quarter had slight or worse hearing loss in one or both ears. 

Childhood hearing loss is prevalent in Australian children (13%) and has risen since 1990.

Central obesity and 10-year BMI trajectories predict poor hearing in adults - patterns already emerging by 11-12 years.

A novel biomarker of chronic inflammation, GlycA, is associated with poorer hearing by childhood. This potentially reframes hearing loss as a life-course condition with inflammatory antecedents common to other non-communicable diseases. 

Telomere length was not associated with hearing acuity in children or their midlife parents.

Children with bilateral slight/mild hearing loss have lower academic, behaviour and health-related quality of life scores than normally hearing children, with some scores 0.2–0.3 standard deviations lower.

Adverse retinal microvascular characteristics are associated with hearing loss by midlife, with venular associations possibly emerging by age 11 to 12 years.