A new study has found caffeine, the world’s most consumed psychoactive substance, may impair the quality of donated blood and reduce the effectiveness of transfusions – especially in recipients whose red blood cell metabolism is influenced by a common genetic variant.

Genetics strongly influence persistent anxiety in young adults, new twin study suggests

Trauma across generations affects stress genes NR3C1 and FKBP5

World's first ‘behavior transplant’ between species achieved

Researchers Have Found That the Potato Evolved From a Tomato Ancestor

Third-generation descendants of Holocaust survivors show DNA methylation differences in HPA-axis (NR3C1, FKBP5) and oxytocin-pathway genes, with greater openness to closeness but no increase in mental health symptoms.

Anti-aging medicine just gained 371 entirely new genetic targets

How IVF genetic test could help women over 35 conceive faster

Scientists discover eight new schizophrenia genes: « Researchers have discovered eight new genes associated with schizophrenia, in the largest exome-sequencing study of the disorder ever conducted

Key genetic differences found in people with chronic fatigue syndrome