Epidemiologist. Causal inference researcher and trainer. Currently visiting @yalesph.bsky.social See my Intro to Causal Inference Course: https://www.causal.training/ See the Causal Inference Interest Group: https://ciig-seminar.github.iohttps://bsky.app/profile/pwgtennant.bsky.socialhttps://bsky.app/profile/pwgtennant.bsky.social/post/3mu24oieqos25Does the new shingles vaccine (Shingrix) protect against cardiovascular disease (CVD)? Yes, according to a new 'natural experiment' study in @natmed.nature.com. But the truth is sadly far less convincing! Pull up a chair and let's examine another peer review failure in a Nature journal. 1/10 🧵27 Aug 2026 05:32 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mu24oieqos25https://bsky.app/profile/pwgtennant.bsky.social/post/3mu24oieqos25Does the new shingles vaccine (Shingrix) protect against cardiovascular disease (CVD)? Yes, according to a new 'natural experiment' study in @natmed.nature.com. But the truth is sadly far less convincing! Pull up a chair and let's examine another peer review failure in a Nature journal. 1/10 🧵27 Aug 2026 05:32 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mu24oieqos25https://bsky.app/profile/pwgtennant.bsky.social/post/3mtwr4nlz6c22I'm hugely enjoying this new feature of LinkedIn. Almost half of my feed "seems like AI slop" and it's truly cathartic to sweep it away!25 Aug 2026 21:27 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mtwr4nlz6c22https://bsky.app/profile/pwgtennant.bsky.social/post/3mtgphtbpg22uGetting tickets to see the Bayeux Tapestry seems even harder than getting tickets to see Oasis!19 Aug 2026 12:15 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mtgphtbpg22uhttps://bsky.app/profile/pwgtennant.bsky.social/post/3mteolmsoas26In nutrition research, the effect you estimate from a model is determined by which other dietary variables you adjust for. If you adjust for total energy intake, the effect will switch from an addition to a substitution. Which substitution will be determined by which other variables are adjusted.18 Aug 2026 16:54 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mteolmsoas26https://bsky.app/profile/pwgtennant.bsky.social/post/3mteolmsoas26In nutrition research, the effect you estimate from a model is determined by which other dietary variables you adjust for. If you adjust for total energy intake, the effect will switch from an addition to a substitution. Which substitution will be determined by which other variables are adjusted.18 Aug 2026 16:54 +0000at://did:plc:7pr24ntsdnvee23td552aes4/app.bsky.feed.post/3mteolmsoas26