Recent issues

The fittest 2.3% of adults had 80% lower mortality risk in a 23-year study.

Oct 26, 2026

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3 min read

The fittest 2.3% of adults had 80% lower mortality risk in a 23-year study.

Cleveland Clinic followed 122,007 people after treadmill tests. Even among the already-fit, more fitness kept extending life.

One supplement made it through 14 trials and 26,881 people.

Oct 23, 2026

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3 min read

One supplement made it through 14 trials and 26,881 people.

The 2025 Nutrients overview found omega-3 groups scored better on a standard cognitive test. The data shows a threshold effect, so two servings of oily fish per week may be all it takes.

The cognitive gains were gone by week 20.

Oct 22, 2026

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3 min read

The cognitive gains were gone by week 20.

Every lion's mane brand cites the Mori 2009 trial, but four weeks after stopping the supplement, scores fell back to where they started.

Slow breathing lowered a protein linked to Alzheimer's.

Oct 21, 2026

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2 min read

Slow breathing lowered a protein linked to Alzheimer's.

In a USC trial, the slow-breathing group saw plasma amyloid beta fall. The group that meditated without slow breathing saw it rise.

Oct 20, 2026

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3 min read

The fiber cost less than a coffee.

King's College London ran it in twins aged 60 and over, average age 73.

L-theanine may support focus, and it costs a tea bag.

Oct 19, 2026

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2 min read

L-theanine may support focus, and it costs a tea bag.

670 patients enrolled in the largest device trial for Alzheimer's.