There were numerous studies that associated early exposure to peanuts with increased risk of peanut allergies, because that is much cheaper and easier and easie

There were numerous studies that associated early exposure to peanuts with increased risk of peanut allergies, because that is much cheaper and easier and easier to justify ethically than random assignment trials. And for skin exposure via peanut oil, they were absolutely correct. For example: https://www.nejm.org/doi/full/10.1056/NEJMoa013536 https://www.nejm.org/doi/full/10.1056/NEJMoa013536 https://d1wqtxts1xzle7.cloudfront.net/74207249/j.1399-3038.1999.101010.x20211104-2956-1onuq1z-libre.pdf?1636053066=&response-content-disposition=inline%3B+filename%3DExposure_to_peanuts_in_utero_and_in_infa.pdf&Expires=1761153608&Signature=Qm1fGNMzfoPppz9atkVuGVTdQQA2P3Fcvm~ihQjmw3BVfZY1h-LIEfVsyVNQqeHPUWONMYeOF7oNu~ZnOLDsEhikGtag4SMz0tGMXW6yeGescJq4rGtP29gvyVEqQ805vlhSuhyjKQiperMYHPKEQnZUv6KNcq2UjyYtnGHVt-CzntFV6qgFGSPOtu5PX1nYDewYL4V8Q0ZlgxkZFeUSR78P1i~gjgrD4lYgfdx8lVv9zA0yOxTeuq~U~WDFiP~GtLSN0Rueoib-0SsRdmUXG4W8Nunxvs7rg5FIcfsEB4HrI7RVbk1UqhyJA6FlcbOVuUPoYNPwDx7ukznmhbyOVQ__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA https://d1wqtxts1xzle7.cloudfront.net/74207249/j.1399-3038.1... It is also the case that after sensitization, avoiding the food can lead to eventual desensitization (although it is riskier in the meantime), which was interpolated to support avoidance: https://onlinelibrary.wiley.com/doi/abs/10.1002/j.1536-4801.2000.tb02685.x https://onlinelibrary.wiley.com/doi/abs/10.1002/j.1536-4801....