Diseases, Conditions, Syndromes

Avian influenza: New aspects of an old threat

In Europe, epidemics of highly pathogenic avian influenza (HPAI) used to be a seasonal phenomenon associated with migratory waterfowl that were returning to their overwintering sites in the autumn. Since 2020, however, this ...

Health

Humans don't hibernate, but we still need more winter sleep

Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...

Health

What our twice-a-year shifts to the clock do to the body

In most places across the United States, Daylight Saving Time weekend is the time to shuffle around the house, fiddling with microwave and alarm clock displays. Daylight Saving Time ends at 2 a.m. Eastern Time on Sunday, ...

Genetics

Brain mechanism underlying evolution of anxiety

Monoamine neurotransmitters such as serotonin and dopamine play important roles in our cognitive and emotional functions. Their evolutionary origins date back to metazoans, and while the function of related genes is strongly ...

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