Live long and prosper

Sir, – I read with bemusement the article citing health advice from a fund investor ("This tech investor believes we'll soon live to 150. Here are his seven 'longevity hacks'", Health + Family, August 24th).

What next? Pensions advice from dietitians, house-building tips from physiotherapists, or perhaps accountancy tips from doctors? – Yours, etc,

CATHAL O’HARA,

Ballsbridge,

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Dublin 4.