Neuroscience

Neurotransmitter orexin influences pupil size, research shows

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown. This discovery could well alter our understanding ...

Psychology & Psychiatry

'Let it go' may be good advice for health

(HealthDay)—The advice to "let go" of negative feelings is repeated in yoga classes and self-help books. Now a new study suggests it really brings a lasting health benefit.

Genetics

Approach that new gene testing kit with caution

(HealthDay)—Lots of Americans will unwrap a scarf or sweater this holiday season. But a growing number will receive a gift that's potentially life-changing: an at-home genetic testing kit.

Cardiology

Antidepressant reduces stress-induced heart condition

A drug commonly used to treat depression and anxiety may improve a stress-related heart condition in people with stable coronary heart disease, according to researchers at Duke Medicine.

Diseases, Conditions, Syndromes

Study examines COVID-19 stress, coping strategies, and well-being

Active coping, denial, emotional support, humor and religion are among the coping strategies that help people with chronic conditions and disabilities deal with stress caused by the COVID-19 pandemic, according to a recently ...

Pediatrics

When both mothers and fathers maltreat their children

About one in five cases of child abuse and neglect is committed by both mothers and fathers, but nearly all the research attention has been focused on when just one parent is involved.

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