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Disease – Analysis and Comment

Eating more fruits, vegetables and nuts can make a meaningful impact on a person’s health – and the planet’s too. kerdkanno/iStock via Getty Images Plus

Individual dietary choices can add – or take away – minutes, hours and years of life

A new study puts numbers to the health and environmental benefits – or impacts – of individual foods and shows how small changes can make a significant difference.
A complete human genome, seen here in pairs of chromosomes, offers a wealth of information, but it is hard connect genetics to traits or disease. HYanWong/Wikimedia Comons

Scientists are on a path to sequencing 1 million human genomes and use big data to unlock genetic secrets

The first full human genome was sequenced 20 years ago. Now, a project is underway to sequence 1 million genomes to better understand the complex relationship between genetics, diversity and disease.
Avian cholera is a highly contagious disease that has produced rapid population loss in Northern common eiders. (Shutterstock)

How Arctic sea ducks develop herd immunity from avian cholera

We can learn about the spread of diseases through populations by studying naturally occurring instances of herd immunity. Avian cholera in the Canadian Arctic provides a useful case study.
Being a good mother depends on many factors, including the the bacteria in the mouse mother’s gut. IvonneW/iStock/Getty Images Plus

In mice, a mother’s love comes from the gut

Microbes can alter the minds of mouse mothers and disrupt their natural instinct to nurture their young.