Medical research

Scientists discover first new HIV strain since 2000

Scientist Mary Rodgers spends her days tracking killers—elusive, constantly mutating viruses that travel the globe and are responsible for illness or death in millions of people. Wednesday, in an article published in the ...

Health

Immune study sheds light on vitamin D effects

Scientists have uncovered fresh insights into how vitamin D affects the immune system and might influence susceptibility to diseases such as multiple sclerosis.

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