Medications

Intestinal drug shown to boost memory and cognition

The development of drugs to treat cognitive problems in patients with mental illness may be a step closer after a team of researchers discovered that an existing drug—used to treat constipation—may be able to boost our ...

Cardiology

Noncalcified coronary plaque burden higher in people with HIV

People living with human immunodeficiency virus (HIV) and without known cardiovascular disease have two to three times the noncalcified coronary plaque burden of non-HIV healthy volunteers, according to a study from Canada ...

Health

The ethics of human challenge trials

The first human challenge trial to test COVID-19 treatments and vaccines is set to begin in January in the United Kingdom. These trials, in which healthy volunteers are infected with the virus after being given different ...

Diseases, Conditions, Syndromes

UK to infect healthy volunteers in vaccine research trial

U.K. researchers are preparing to infect healthy young volunteers with the virus that causes COVID-19, becoming the first to announce plans to use the controversial technique to study the disease and potentially speed up ...

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