Arthritis & Rheumatism

Flare-responsive hydrogel developed to treat arthritis

Arthritis flares - the unpredictable and often sudden worsening of arthritis symptoms—can be debilitating. These episodes can make the management of inflammatory arthritis, which includes rheumatoid arthritis and psoriatic ...

Psychology & Psychiatry

Dopamine, drugs, and depression

The neurotransmitter dopamine plays a major role in mental illnesses like substance abuse disorders and depressive disorders, as well as a more general role in reward and motivational systems of the brain. But there are still ...

Vaccination

Covaxin approval requested in US for ages 2-18

US company Ocugen announced Friday that it had asked authorities for emergency use authorization for COVID-19 vaccine Covaxin, which was developed in India, for ages 2 to 18.

Surgery

Design prevents buildup of scar tissue around medical implants

Implantable devices that release insulin into the body hold promise as an alternative way to treat diabetes without insulin injections or cannula insertions. However, one obstacle that has prevented their use so far is that ...

Neuroscience

Dopamine drives early addiction to heroin

Scientists have made a major advance in untangling the brain circuits that lead to the powerful addictive effects of heroin, a study in the open-access journal eLife reports.

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