Many people are realizing how a ban on DDT has caused millions of deaths from malaria. But now, a major new study published in Science magazine suggests that the DDT ban also helped increase fatal cases of AIDS around the world. The report found that when someone with HIV has a bout of malaria, it can cause HIV levels to increase as much as sevenfold, and remain high even after the malaria ends. Then, because HIV affects immunity, the likelihood of getting malaria increases, creating a deadly vicious cycle. With the World Health Organization affirming there is no risk to humans or wildlife from controlled indoor spraying, this sounds like another life-saving reason to bring back DDT.

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