6+ day, 7+ hour ago   (453+ words) Maternal age effects may arise from reversible epigenetic changes whose impact depends partly on genetics and evolutionary pressures. A mother’s age can leave a biological imprint on her offspring, influencing physical and behavioral traits across many animal species, including humans....

1+ week, 14+ hour ago   (835+ words) Cancer’s spread to distant organs can now be studied using lab-grown bone, lung, and blood vessel tissues. Cancer becomes far more dangerous when it stops being confined to one place. Most cancer deaths are not caused by the original tumor,…...

2+ week, 5+ day ago   (383+ words) Screen time was associated with better adolescent cognitive processing, while links between physical activity and cognition varied by sex, activity type, and measurement method. A Finnish study following children into adolescence found an unexpected pattern: those who accumulated more screen…...