Health

Keeping dog testes longer may aid healthy aging.

Study finds long-term testis retention in dogs linked to lower frailty-related mortality.

Molecule may rejuvenate aged immune systems

Molecule Urolithin A found to boost aged immune systems by renewing mitochondria.

Fitter People Use Fewer Heartbeats Daily: Study

Exercise doesn't waste heartbeats; fitter people use fewer daily, study reveals.

Lack of political representation harms mental health

Lack of political representation harms mental health, study finds.

Tumor microbiomes influence cancer progression

Nearly every cancer has its own distinct microbial community that can influence tumor growth and treatment response.

Exercise benefits brain via blood particles

Exercise's brain benefits may be transferable via blood particles, new study in mice shows.

Stress and racing thoughts disrupt sleep more in some people.

Stress disrupts sleep, but high sleep reactivity worsens the effect of racing thoughts on sleep quality.

Babies’ gut bacteria linked to future emotional health

Gut bacteria in babies linked to future emotional health risks like depression and anxiety.

COVID-19 in Pregnancy Linked to Neurodevelopmental Disorders in Children

COVID-19 in pregnancy linked to higher risk of neurodevelopmental disorders in children by age 3.

Longer screen time linked to increased ADHD symptoms in kids

Study finds longer screen time in kids aged 9-10 is linked to increased ADHD symptoms over two years.