Health

How does caffeine give us energy?

As our school and work schedules start returning to normal, many of us will find ourselves reaching for a pick-me-up to make it through the day. Often, this comes in the form of caffeine—say, in a cup of coffee or tea, ...

Immunology

Cells help immune system tolerate friendly gut bacteria

Immune cells called group 3 innate lymphoid cells (ILC3s) play an essential role in establishing tolerance to symbiotic microbes that dwell in the human gastrointestinal tract, according to a study led by researchers at Weill ...