Polycyclic Compounds: News and Research on Polycyclic Compounds

MeSH tree: D04

Why tiny amounts of vitamin B12 matter more as we age

Two micrograms is an almost unimaginably small amount. It weighs less than a tiny fragment of a grain of table salt. Yet adults need only around this amount of vitamin B12 each day, depending on the guideline used, to support ...

Engineers find a way to deliver drugs directly to the esophagus

There are few treatment options available for people with disorders of the esophagus. Delivering drugs directly to this part of the body is difficult, so patients are usually treated with systemic drugs, which can have unwanted ...

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