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Medical information is complicated. We help you make sense of it.

Evidence, not opinion.

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Your question is translated into medical search terms, then answered only from these sources — strongest first. Every answer is graded by what it actually rests on.

We read national guidelines (NICE, CDC, WHO, Health Canada), systematic reviews (Cochrane), and human trials indexed on PubMed.

National guidelines Systematic reviews Controlled trials Expert bodies

How we grade evidence →

Educational information only. Not medical advice, not a diagnosis, and no doctor-patient relationship is created by using this. Founded Health has not examined you and does not know their history, so its answers may not apply to you. Never delay or disregard advice from a qualified health professional because of something you read here. In an emergency, call your local emergency number.