The environment can actually affect gene expression.

Your position in the hierarchy influences your behaviour.

I came from a warm Jewish family.

The academic life is wonderful. That's why people love to do research.

The lower you are in the hierarchy the worse your health, the higher you are, the better your health.

Height is probably 95 per cent genetic.

Low income is related to poorer housing, poorer diet, fewer social amenities, worse working conditions. (...) After adjustment for age, sex, race, smoking, alcohol consumption, sleep habits, leisure-time physical activity, chest pain, diabetes, or cancer, there was still an increase risk of 1.6 for those with inadequate incomes.