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What your grip strength quietly says about your lifespan

What your grip strength quietly says about your lifespan

10 min read

A handshake is not just a greeting. Across 139,691 people in 17 countries, how hard you can squeeze predicted death better than blood pressure. Here is what the science shows, why it works, and why buying a hand gripper misses the point.

Maurice LichtenbergMaurice LichtenbergRead article
Are sweeteners bad for you? sweeteners

Are sweeteners bad for you?

Observational studies say sweeteners make you sick. Randomised trials say the opposite. Both findings sit in the same new umbrella review. The difference is study design, and it explains almost every sweetener headline.

30 min read 7
Maurice Lichtenberg
What actually fixes jet lag (and what only feels like it)jetlag

What actually fixes jet lag (and what only feels like it)

Nine hours west to Los Angeles, six hours east back to Munich, and one long nap that cost me three days. What the circadian research says about light timing, melatonin and how fast a body clock really moves.

28 min read 8
Maurice Lichtenberg
How GitLab's Founder Used AI to Fight His Cancerai

How GitLab's Founder Used AI to Fight His Cancer

When doctors had nothing left to offer, GitLab founder Sid Sijbrandij went founder mode on his osteosarcoma: maximal diagnostics, AI as analysis engine and treatments built for a single patient. His playbook is public, and parts of it cost less than a gym membership.

10 min read 8
Maurice Lichtenberg
The Same Bedtime Beats More Hours in Bedsleep

The Same Bedtime Beats More Hours in Bed

A study of nearly 61,000 adults found that when you sleep matters more than how long. Regular sleepers had up to 48 percent lower mortality risk and it costs nothing.

10 min read 8
Maurice Lichtenberg
Is longevity only for the rich?longevity

Is longevity only for the rich?

Men in Germany's poorest income group die 8.6 years earlier than the richest. Yet the strongest longevity evidence sits with the free stuff, not the 10,000 euro clinics.

14 min read 7
Maurice Lichtenberg
The Pentagon is testing testosterone. A low number is not a diagnosis.testosteron

The Pentagon is testing testosterone. A low number is not a diagnosis.

The Pentagon will test soldiers aged 30 and up for low testosterone every year. What the evidence says for and against it and why the split between temporary and true deficiency matters most for soldiers.

6 min read 6
Maurice Lichtenberg

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