Medical research

Using nanocapsules to deliver vaccines to lungs

Many viruses and bacteria infect humans through mucosal surfaces, such as those in the lungs, gastrointestinal tract and reproductive tract. To help fight these pathogens, scientists are working on vaccines that can establish ...

Oncology & Cancer

WHO agency says talc is 'probably' cancer-causing

The World Health Organization's cancer agency on Friday classified talc as "probably carcinogenic" for humans, however an outside expert warned against misinterpreting the announcement as a "smoking gun".

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