Background The association between aging-related testosterone deficiency and late-onset
hypogonadism in men remains a controversial concept. We sought evidence-based criteria …

Regular physical activity helps to improve physical and mental functions as well as reverse
some effects of chronic disease to keep older people mobile and independent. Despite the …

Intelligence is highly heritable 1 and a major determinant of human health and well-being 2
. Recent genome-wide meta-analyses have identified 24 genomic loci linked to variation in …

General intelligence is an important human quantitative trait that accounts for much of the
variation in diverse cognitive abilities. Individual differences in intelligence are strongly …

Context: The diagnosis of late-onset hypogonadism (LOH) in older men with age-related
declines in testosterone (T) is currently not well characterized. Objective: Our objective was to …

Intelligence is associated with important economic and health-related life outcomes 1.
Despite intelligence having substantial heritability 2 (0.54) and a confirmed polygenic nature, …

Introduction Limited information is available concerning the general and sexual health status
of European men. Aim To investigate the age-related changes in general and sexual health …

We describe levels of sexual activity, problems with sexual functioning, and concerns about
sexual health among older adults in the English Longitudinal Study of Ageing (ELSA), and …

Context: Late-onset hypogonadism (LOH) has been defined as a syndrome in middle-aged
and elderly men reporting symptoms in the presence of low testosterone (T). Objective: The …

The complex nature of human cognition has resulted in cognitive genomics lagging behind
many other fields in terms of gene discovery using genome-wide association study (GWAS) …