Diseases, Conditions, Syndromes

France testing whether nicotine could prevent coronavirus

Nicotine could protect people from contracting the coronavirus, according to new research in France, where further trials are planned to test whether the substance could be used to prevent or treat the deadly illness.

Immunology

Needle-free flu vaccine patch effective in early study

A new needle-free flu vaccine patch revved up the immune system much like a traditional flu shot without any negative side effects, according to a study published in the Journal of Investigative Dermatology. Though the research ...

Ophthalmology

Q&A: When can cataract surgery wait?

Dear Mayo Clinic: I was just diagnosed with a cataract, but it's not bothering me at all. Is it a good idea to have cataract surgery now, or can I wait? What is the recovery from this surgery like?

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