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Post by Dr. Rhonda Patrick on X

Dr. Rhonda Patrick@foundmyfitness

Is long-term immunity to COVID-19 regulated by T-cell responses rather than neutralizing antibodies? People who had been exposed to the original SARS virus 17 years ago still had T-cells that reacted to viral fragments even when they had no antibodies. t.co

577 likes18 repliesPosted Jul 17, 2020

View the original on X Written by Dr. Rhonda Patrick. Captured Sep 4, 2026.

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Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Leads with a specific number, which is concrete enough to be worth a second of attention.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Leads with a number
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: plain, matter-of-fact
Written for: Growth and marketing teams

Analysis by ViralLoop — not written by the original author.

Topics

Posts built the same way

In FY26, over 200 million new players came to XBOX and our games, but our business did not grow with our audience. We need to close that gap by investing in what players value. That will take time, but we expect to return to growth by the end of FY27.

AI was seasonal in 2024-2025. Growth decelerated during the summer (students/people work less is the theory) and reaccelerated after Labor Day. This year, AI accelerated in July/August led by OpenAI, Grok and open-source. And today is the first time I’ve ever seen this:

Netflix rejected a $12M offer from Bezos in 1999. Blockbuster "laughed [Netflix] out of the room" when Netflix offered to sell to them for $50M. Today they announced their acquisition of Warner Bros, and have a market cap of $426B.

Tailwind lays of 75% of their team. the reason is so ironic: > their css framework became extremely popular w AI coding agents, 75m downloads/mo > that meant nobody would visit their docs where they promoted paid offerings > resulting in 40% drop in traffic & 80% revenue loss

Apple Q1 revenue is $124.3 Billion. 2022 Q1 revenue was $123.9 Billion. 0.3% revenue growth over 3 years. (We’ve had ~15% inflation since then) iPhone sales are negative YoY. This is not a growth company. $AAPL

Woah, $SPCX acquired Cursor for $60B. I did not think it was worth that much… Maybe network effect or data for improving models became invaluable? I’m sure Elon has a plan in mind, the Twitter acquisition paid extreme dividends.

More from Dr. Rhonda Patrick

Dr. Rhonda Patrick

In last week's newsletter, I talked about how resistance training can support cardiovascular health in postmenopausal women. It's not just aerobic exercise! You can now read the issue - and sign up for free - in our archive. We send it out every week. t.co

Dr. Rhonda Patrick

Creatine is a supplement most women should be taking, especially post-menopause. 5 grams/day combined with resistance exercise increases lean mass and muscle strength but has inconsistent effects on bone mineral density. It makes productive training slightly more productive.

Dr. Rhonda Patrick

Five servings of fruits and vegetables per day may not be enough for heart health benefits. Only 20% of people who meet these guidelines have an estimated flavanol intake of 500 mg/day, a level associated with lower cardiovascular disease risk in randomized controlled studies.

Dr. Rhonda Patrick

This podcast is definitely going to be part of my regular listening queue. Congrats on the launch @mackinprof and @gibalam! Both are previous guests on the FoundMyFitness pod. I've learned so much from both.

Dr. Rhonda Patrick

I'd encourage everyone to grab a copy of Dr. Arthur Brooks' new book 'The Meaning of Your Life' or gift it to someone who might enjoy it (I plan to buy a few copies myself!) He shares so much wisdom on how to live a happy, fulfilling life.

Dr. Rhonda Patrick

Incredibly interesting result here. Combining rapamycin with exercise didn't help and may have even impaired exercise adaptations in older adults! Reminds me of metformin (also once marketed as a "longevity drug"), which also blunts exercise adaptations in certain contexts.

Dr. Rhonda Patrick on Growth · ViralLoop