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David Sinclair

@davidasinclair · Harvard · joined 10 Mar 2012

Professor researching why we age & how to reverse it. Author & host of Lifespan. Mission: Extend healthy life for all. Views are entirely his own. @joinlifespan

657 273Followers
1 167Following
10 839Posts total
1.6MViews on collected posts

Against accounts of the same size

12 posts from the last 90 days, next to the 100K–1M follower range. shown widely, but few of those viewers react.

Median views65 915this account5 821median for 100K–1M
Reach, %10.03%this account2.43%median for 100K–1M
Engagement, %1.00%this account1.43%median for 100K–1M
MetricThis accountMedian for 100K–1MRatio
Median views per post65 9155 82111.3×
Reach (views ÷ followers)10.03%2.43%4.13×
Engagement rate1.00%1.43%0.70×

Others in this range →   Compare with another account →   How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

71.1K24 Aug
125.2K29 Aug
117.1K
69.5K30 Aug
57.7K
62.3K31 Aug
60.5K
729.6K2 Sep
327.6K
1.2K
1.5K
886

Last 12 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

2.28%24 Aug
0.13%29 Aug
0.48%
0.35%30 Aug
1.94%
0.27%31 Aug
1.55%
0.10%2 Sep
0.99%
1.88%
1.02%
2.26%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 100K–1M accounts is 1.43%.

What the audience does

Likes75.2%7 695 in total
Reposts6.1%627 in total
Replies3.7%382 in total
Quotes0.9%95 in total
Bookmarks14.0%1 436 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

@davidasinclair Wouldn't the longevity drug just be caloric restriction? This is also possible through willpower 886 views · 19 likes · 0 reposts · 1 replies 02 Sep 2026 @davidasinclair Do they not simply make you feel satiated and thus you fast for real? How is this different from the longevity benefit of good ol fasting? I don't know any of the science I had just assumed they recapitulate the benefits of caloric restriction because they liter 1.5K views · 13 likes · 0 reposts · 2 replies 02 Sep 2026 @davidasinclair Remember first u say they could cause blindness on joe podcast... Now the literature is coming trough. 🤔 Glp1 for healthy individuals microdosing could be incredibly good for longevity and reduction of plenty of diseases risk. 1.2K views · 22 likes · 0 reposts · 0 replies 02 Sep 2026 GLP1s looking more and more like longevity drugs 327.6K views · 2.9K likes · 227 reposts · 121 replies 02 Sep 2026 New paper @Nature: Semaglutide recapitulates many of the benefits of caloric restriction in female mice & extends lifespan by almost 100 days. Males not yet tested for lifespan Below: Red traces = mouse movement https://t.co/QaAYN6zKVF 729.6K views · 571 likes · 59 reposts · 27 replies 02 Sep 2026 Longevity for all 60.5K views · 839 likes · 63 reposts · 29 replies 31 Aug 2026 Longevity research is often framed as an ego project for billionaires. But what if extending healthspan is actually about something else entirely. Read more in Lifespan Magazine 📚 https://t.co/WvkTmwM4Zk 62.3K views · 135 likes · 22 reposts · 7 replies 31 Aug 2026 And when pruned, some trees exhibit age restoration 😮 57.7K views · 986 likes · 79 reposts · 45 replies 30 Aug 2026 New study finds oak trees undergo epigenetic reprogramming with each growth cycle Could humans live 1000 years, too? 🧵 https://t.co/9fYbCHih1L 69.5K views · 207 likes · 26 reposts · 9 replies 30 Aug 2026 The real secret to longevity: Hang on to the handrail 117.1K views · 501 likes · 30 reposts · 26 replies 29 Aug 2026 @JoinLifespan My Father spent years & 10's of thousands chasing longevity... only to be hit by a truck while crossing the highway on his mountain bike.. he just simply failed to look both ways.. he was 84 yrs. old.. but he's still alive today at 90. The truck was doing 60mph 125.2K views · 151 likes · 5 reposts · 3 replies 29 Aug 2026 % of people who would: * Try an “anti-aging” medicine: 61% * Take a cell reprogramming pill: 42% * Try a senolytic drugs: 27% * Have blood plasma diluted: 22% * Swap out their aged organs: 18% Surprisingly high percentages! 71.1K views · 1.4K likes · 116 reposts · 112 replies 24 Aug 2026

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