Diseases, Conditions, Syndromes

US approves second RSV vaccine

The US drug regulator approved a second vaccine against respiratory syncytial virus (RSV), its American developer Pfizer said Wednesday, a month after the authorization of the first shot against the pathogen, a leading cause ...

Psychology & Psychiatry

What is a panic attack?

A panic attack is an episode of intense fear with an abrupt onset, lasting from several minutes to up to an hour. It has many mental and physical symptoms such as chest pain, shortness of breath, nausea, dizziness, chest ...

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